MINISTRY OF
CONSTRUCTION
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THE SOCIALIST
REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
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No. 04/2023/TT-BXD
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Hanoi, June 30,
2023
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CIRCULAR
PROMULGATING
NATIONAL TECHNICAL REGULATIONS ON PRODUCTS AND GOODS OF BUILDING MATERIALS
Pursuant to the Law on Standards and Technical
Regulations dated June 29, 2006;
Pursuant to the Government's Decree
No. 127/2007/ND-CP dated August 01, 2007 on elaboration of some
Articles of the Law on Standards and Technical Regulations;
Pursuant to the Government's Decree No.
78/2018/ND-CP on amendments to the Government's Decree No.
127/2007/ND-CP dated August 01, 2007 on elaboration of some Articles of
the Law on Standards and Technical Regulations;
Pursuant to the Government's Decree
No. 52/2022/ND-CP dated August 08, 2022 defining the functions, tasks,
powers and organizational structure of the Ministry of Construction;
At the request of the Director General of the
Department of Science Technology and Environment;
The Minister of Construction hereby promulgates
a Circular promulgating National technical regulations on products and goods of
building materials.
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Article 2. QCVN 16:2023/BXD comes into force
from January 01, 2024.
Article 3. QCVN 16:2019/BXD National
technical regulations on products and goods of building materials QCVN
16:2017/BXD promulgated together with the Circular No. 19/2019/TT-BXD dated
December 31, 2019 of the Minister of Construction is superseded.
Article 4. Grandfather clauses
1. Where a manufacturer or importer of goods of
building materials has been issued with a certificate of conformity in
compliance with QCVN 16:2019/BXD and it remains effective, they may use the
certificate of conformity and respective conformity mark until the expiry of
the certificate.
2. Any body which has been designated to certify
conformity and test products and goods of building materials in accordance with
QCVN 16:2019/BXD may continue to certify conformity and test products and goods
of building materials included in the designation decision and the list of
products and goods of building materials under QCVN 16:2023/BXD under QCVN
16:2023/BXD until the expiry of the designation decision.
3. If the designation decision expires after this
Regulation is promulgated but before it officially takes effect, an extension
may be granted provided that it does not go beyond the effective date of this
Circular./.
PP. THE
MINISTER
THE DEPUTY MINISTER
Nguyen Van Sinh
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QCVN 16:2023/BXD
NATIONAL TECHNICAL
REGULATIONS ON PRODUCTS, GOODS OF BUILDING MATERIALS
Foreword
QCVN 16:2023/BXD supersedes QCVN 16:2019/BXD.
QCVN 16:2023/BXD is developed by the Vietnam
Institute for Building Material, appraised by the Ministry of Science and
Technology, submitted by the Department of Science Technology and Environment -
Ministry of Construction for approval and promulgated together with the
Circular No. ……../2023/TT-BXD dated ……, 2023 of the Minister of Construction.
NATIONAL TECHNICAL
REGULATIONS ON PRODUCTS, GOODS OF BUILDING MATERIALS
PART 1. GENERAL
Scope
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1.1.2. This document shall not apply to products,
goods of building materials imported in the form of samples for advertising
purpose only that have no use value; samples serving research; samples for
testing; temporarily imported goods for displaying at a trade fair or
exhibition; goods which are temporarily imported for re-export, and not
consumed and used in Vietnam; goods exchanged between residents of bordering
areas, gifts or donations within the duty-free allowance; goods in transit,
merchanting trade or transshipment; goods serving emergency demands according
to the Government’s directives and goods serving national defense or security
purposes.
1.2. Regulated entities
1.2.1. Manufacturers, importers, traders and users
of products, goods of building materials.
1.2.2. Testing bodies and certification bodies that
assess and grant certificates of conformity to products, goods of building
materials.
1.2.3. Relevant regulatory bodies responsible for
quality of products, goods of building materials.
1.3. Definitions
For the purposes of this Regulation, the terms
below shall be construed as follows:
1.3.1. “regulatory inspecting authority for
quality of products, goods of building materials” refers to an
authority assigned or decentralized to perform state inspection of quality of
products, goods of building materials under management of the Ministry of
Construction (hereinafter referred to as “inspecting authority”). The local
inspecting authority is the Department of Construction.
1.3.2. “category 2 products, goods of building
materials” refers to the products or goods which are transported, stored,
preserved and used reasonably and for their intended purposes but still
potentially cause harm to humans, animals, plants, assets and environment.
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1.3.4. “batch” combines one type of products or
goods of building materials having similar specifications and produced at once
through one production line.
1.3.5. “lot” combines one type of products or goods
of building materials, in a defined quantity, which have similar label content,
are produced or imported by one manufacturer or importer at one location and
are distributed and sold on the market.
1.3.6. “representative sample of products or
goods of building materials” refers to a sample representing a specific type of
product or good manufactured in similar design, under similar condition
regarding production line and technology and with similar type of material.
1.3.7. “representative sample of batch and
lot” refers to the sample that is taken in a certain ratio and randomly from
the same lot in a manner that the representative nature for entire lot is
ensured, and used for conformity assessment and certification.
1.3.8. “circulation of goods” involves displaying,
promoting, transporting or storing goods in the process of goods sale and
purchase, except the transport of goods by importers from a checkpoint to a
storehouse.
1.4. General
1.4.1. Products, goods of building materials
must be transported, stored and used in a manner that does not represent any
safety hazard. Upon circulated on the market, domestically manufactured
products and goods must have the certificate of conformity and notification of
receipt of application for declaration of conformity declaration issued by the
local inspecting authority; imports must have the certificate of conformity.
1.4.2. Manufacturers, importers, traders and users
of products must accurately declare types of products, goods of building
materials in accordance with product list in Table 1 Part 2 of this
Regulation. Otherwise, it is required to cooperate with a conformity
certification body or testing body to identify the products.
1.4.3. Domestically manufactured and imported
products and goods of building materials specified in Table 1 Part 2 of this
Regulation shall be subject to management measures according to the
certification result given by the certification body registered or recognized
as prescribed by law.
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1.5. Normative references
The following referenced documents are
indispensable for the application of this document. For dated references, only
the edition cited applies. For undated references, the latest edition of the
referenced document (including any amendments) applies. In the cases where any
of the standards, regulations or documents referred to in this Regulation is
amended or replaced, the regulations laid down in the newest one shall prevail.
TCVN 141:2023, Portland
cements - Methods of chemical analysis.
TCVN 1450:2009, Portland cements -
Specifications
TCVN 1451:1998, Solid clay bricks
TCVN 1452:2023, Clay roofing tiles and
accessories - Specifications
TCVN 1453:2023, Concrete tiles and accessories
TCVN 2090:2015, Paints, varnishes and raw
materials for paints and varnishes - Sampling
TCVN 2097:2015, Paints and varnishes - Cross-cut
test
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TCVN 3113:2022, Hardened concrete - Test method
for water absorption
TCVN 3118:2022, Hardened concrete - Test method
for compressive strength
TCVN 4313:2023, Clay roofing tiles and
accessories - Method of test
TCVN 4315:2007, Granulated blast furnace slag
for cement production
TCVN 4434:2000, Asbestos-cement corrugated
sheets - Specifications
TCVN 4435:2000, Asbestos-cement corrugated
sheets - Method of test-
TCVN 4732:2016, Natural stone facing slabs
TCVN 6016:2011 (ISO 679:2009), Cement - Test
methods - Determination of strength
TCVN 6017:2015 (ISO 9597:2008), Cements - Test
methods - Determination of setting time and soundness
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TCVN 6067:2018, Sulfate resistant portland
cement
TCVN 6149-1:2007 (ISO 1167-1:2006), Thermoplastics pipes, fittings
and assemblies for the conveyance of fluids - Determination of the
resistance to internal pressure - Part 1: General method
TCVN 6149-2:2007 (ISO 1167-2:2006), Thermoplastics
pipes, fittings and assemblies for the conveyance of
fluids - Determination of the resistance to internal pressure - Part
2: General method
TCVN 6149-3:2007 (ISO 1167-3:2006), Thermoplastics
pipes, fittings and assemblies for the conveyance of fluids - Determination of the
resistance to internal pressure - Part 3: Preparation of components
TCVN 6260:2020, Blended portland cements -
Specifications
TCVN 6355-2:2009, Bricks - Test methods - Part
2: Determination of compressive strength
TCVN 6355-3:2009, Bricks - Test methods - Part
3: Determination of bending strength
TCVN 6355-4:2009, Bricks - Test methods - Part
4: Determination of water absorption
TCVN 6415-3:2016 (ISO 10545-3:1995), Ceramic
floor and wall tiles - Test method - Part 3: Determination of water absorption,
apparent porosity, apparent relative and bulk density
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TCVN 6415-6:2016 (ISO 10545-6:2010), Ceramic
floor and wall tiles - Test method - Part 6: Determination of resistance to
deep abrasion for unglazed tiles
TCVN 6415-7:2016 (ISO 10545-7:1996), Ceramic
floor and wall tiles - Test method - Part 7: Determination of resistance to
surface abrasion for glazed tiles
TCVN 6415-8:2016 (ISO 10545-8:2014), Ceramic
floor and wall tiles - Test method - Part 8: Determination of linear thermal
expansion
TCVN 6415-10:2016 (ISO 10545-10:1995), Ceramic
floor and wall tiles - Test method - Part 10: Determination of moisture expansion
TCVN 6415-11:2016 (ISO 10545-11:1994), Ceramic
floor and wall tiles - Test method - Part 11: Determination of crazing
resistance for glazed tiles
TCVN 6476:1999, Interlocking concrete bricks
TCVN 6477:2016, Concrete bricks
TCVN 6882:2016, Mineral admixtures for cement
TCVN 7218:2018, Sheet glass for construction -
Clear float glass - Specifications
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TCVN 7305-2:2008 (ISO 4427-2 : 2007), Plastics
piping systems - Polyethylene (PE) pipes and fittings for water supply - Part
2: Pipes
TCVN 7305-3:2008 (ISO 4427-3: 2007), Plastics
piping systems - Polyethylene (PE) pipes and fittings for water supply - Part
3: Fittings
TCVN 7364 - 4: 2018, Glass in building - Laminated
glass and laminated safety glass - Part 4: Test methods for durability
TCVN 7364 - 5: 2018, Glass in building -
Laminated glass and laminated safety glass - Part 5: Dimensions and edge
finishing
TCVN 7368:2012, Glass in building - Laminated
safety glass - Test methods for impact resistance
TCVN 7417-1:2010 (IEC 61386-1:2008), Conduit
systems for cable management - Part 1: General requirements
TCVN 7455:2013, Glass in building - Heat treated
glass
TCVN 7528:2005, Glass in building - Solar
reflective coated glass
TCVN 7529:2005, Glass in building - Heat
absorbing tint glass
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TCVN 7572-2:2006, Aggregates for concrete and
mortar - Test methods - Part 2: Determination of particle size distribution
TCVN 7572-8:2006, Aggregates for concrete and
mortar - Test methods - Part 8: Method for determination of content of dust,
mud and clay in aggregate and content of clay lumps in fine aggregate
TCVN 7572-9:2006, Aggregates for concrete and
mortar - Test methods - Part 9: Determination of organic impurities
TCVN 7572-14:2006, Aggregates for concrete and
mortar - Test methods - Part 14: Determination of alkali silica reactivity
TCVN 7572-15:2006, Aggregates for concrete and
mortar - Test methods - Part 15: Determination of chloride content
TCVN 7737: 2007, Glass in building - Method for
determination of light transmittance, light reflectance, total solar energy
transmittance and ultraviolet transmittance
TCVN 7753:2007, Fibreboards - Dry process boards
MDF
TCVN 7959:2017, Lightweight
concrete - Autoclaved aerated concrete products - Specifications
TCVN 8256:2022, Gypsum board - Specifications
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TCVN 8257-5, TCVN 8257-5:2009, Gypsum
boards - Test methods - Part 5: Determination of humidified deflection
TCVN 8257-6, Gypsum boards - Test methods - Part
6: Determination of water absorption
TCVN 8260:2009, Glass in building - Sealed
insulating glass
TCVN 8261:2009, Glass in building - Test method
for non-destructive photoelastic measurement of surface and edge stresses in
flat glass
TCVN 8262:2009, Fly ash - Methods of chemical
analysis
TCVN 8265:2009, Granulated blast furnace slag -
Methods of chemical analysis
TCVN 8491-2:2011 (ISO 1452-2: 2009), Plastics
piping systems for water supply and for buried and above-ground drainage and
sewerage under pressure - Unplasticized poly(vinyl chloride)
(PVC-U) - Part 2: Pipes
TCVN 8491-3:2011 (ISO 1452-3: 2009), Plastics
piping systems for water supply and for buried and above - ground drainage and
sewerage under pressure - Unplasticized poly (vinyl chloride) (PVC-U) - Part 3:
Fittings
TCVN 8652:2020, Well emulsion paints -
Specifications
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TCVN 8653-5, Wall emulsion paints - Test methods
- Part 5: Determination of heat sock resistance of paint film
TCVN 8877:2011, Cement - Test method for
autoclave expansion
TCVN 9030:2017, Lightweight
concrete - Test methods
TCVN 9133:2011, Glazed
ceramic roof tiles
TCVN 9188, Chrysotile asbestos for asbestos -
cement corrugated sheets
TCVN 9205:2012, Crushed sand for concrete and
mortar
TCVN 9339:2012, Concrete and mortar - Method for
determination of pH by pH meter
TCVN 9349:2012, Coating for construction structures - Pull-off text
method for determination of adhesive strength
TCVN 9562:2017 (ISO 10639:2017), Plastics piping
systems for pressure and non-pressure water supply - Glass-reinforced thermosetting
plastics (GRP) systems based on unsaturated polyester (UP) resin
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TCVN 9900-2-11:2013 (IEC 60695-2-11:2000), Fire
hazard testing - Part 2-11: Glowing/hot-wire based test methods -
Glow-wire flammability test method for end-products
TCVN 9900-11-2:2013 (IEC 60695-11-2:2003), Fire
hazard testing - Part 11-2: Test flames - 1 kW nominal
pre-mixed flame - Apparatus, confirmatory test arrangement and guidance
TCVN 10097-2:2013 (ISO 15874-2: 2013), Plastics
piping systems for hot and cold water installations - Polypropylene (PP)
- Part 2: Pipes
TCVN 10097-3:2013 (ISO 15874-3: 2013), Plastics
piping systems for hot and cold water installations - Polypropylene (PP) - Part
3: Fittings
TCVN 10177:2013 (ISO 2531:2009), Ductile
iron pipes, fittings, accessories and their joints for water
applications
TCVN 10302:2014, Activity
admixture - Fly ash for concrete, mortar and cement
TCVN 10369:2014 (ISO 17895:2005), Paints and
Varnishes - Determination of the volatile organic compound content of low-VOC
emulsions paints (tin - can VOC)
TCVN 10370-1:2014 (ISO 11890 -1:2007), Paints
and varnishes - Determination of volatile organic compound (VOC) content - Part
1: Difference method
TCVN 10370-2:2014 (ISO 11890 -2:2007), Paints
and varnishes - Determination of volatile organic compound (VOC)
content- Part 2: Gas-chromatographic method
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TCVN 10769:2015 (ISO 7685:1998), Plastics piping
systems - Glass-reinforced thermosetting plastics (GRP) pipes - Test method to
prove the resistance to initial ring deflection
TCVN 10967:2015 (ISO 8513:2014), Plastics piping
systems - Glass-reinforced thermosetting plastics (GRP) pipes - Test methods
for the determination of the initial longitudinal tensile strength
TCVN 11205:2015 (ISO 13609:2014), Wood-based panels - Plywood - Blockboards and
battenboards
TCVN 11524:2016, Precast extrusion concrete
hollow core wall panels
TCVN 11586:2016, Ground granulated blast-furnace
slag for concrete and mortar
TCVN 11822:2017, Modified poly(vinyl chloride) (PVC-M) pipes for
pressure applications
TCVN 11833:2017, Phosphogypsum for cement
production
TCVN 11896:2017 (EN 233:2016), Wallcoverings in
roll form - Specification for finished wallpapers, wall
vinyls and plastics wallcoverings
TCVN 11898:2017 (EN 12149:1998), Wallcoverings
in roll form - Determination of migration of heavy metals and certain other
elements, of vinyl chloride monomer and of formaldehyde release
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TCVN 11899-4:2018 (ISO 12460-4), Wood-based
panels - Determination of formaldehyde release - Part 4: Desiccator
method
TCVN 11899-5:2018 (ISO 12460-5), Wood-based
panels - Determination of formaldehyde release - Part 5: Extraction method
(called the perforator method)
TCVN 11903:2017 (ISO 16999:2003), Wood-based
panels - Sampling and cutting of test pieces
TCVN 12003:2018, Test method for expansion of
hydraulic cement mortar bars stored in water
TCVN 12249:2018, Coal ash of thermal power
plant using as backfill material - General requirements
TCVN 12302:2018, Lightweight sandwich wall panel
TCVN 12304:2018 (ISO 8772:2006), Plastics piping
systems for non-pressure underground drainage and sewerage - Polyethylene
(PE)
TCVN 12305:2018 (ISO 8773:2006), Plastics piping
systems for non-pressure underground drainage and sewerage - polypropylene
(pp)
TCVN 12362:2018 (ISO 16893:2016), Wood-based
panels - Particleboard
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TCVN 12446:2018 (ISO 16978:2003), Wood-based
panels - Determination of modulus of elasticity in bending and of bending
strength
TCVN 12447:2018 (ISO 16984:2003), Wood-based
panels - Determination of tensile strength perpendicular to the plane of the
panel
TCVN 12648:2020, Sanitary appliances - Wash
basins - Functional requirements and test methods
TCVN 12649:2020, WC pans and WC suites with
integral trap
TCVN 12650:2020, Sanitary ceramic wares -
Specification for quality of vitreous china sanitary appliances
TCVN 12651:2020, Wall-hung urinals - Functional
requirements and test methods
TCVN 12652:2020, Bidets - Functional
requirements and test methods
TCVN 12867:2020, Reinforced autoclaved aerated
concrete wall panel - Specification
TCVN 12868:2020, Reinforced autoclaved aerated
concrete wall panel - Specification
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TCVN 13560:2022, Fiber-reinforced gypsum panel
- Specifications
EN 1096-1:2012 (E), Glass in building - Coated
glass - Part 1: Definitions and classification
EN 12898:2019, Glass in building - Determination
of the emissivity
BS EN 14617-1:2013, Agglomerated stone - Test
methods - Part 1: Determination of apparent density and water absorption
BS EN 14617-2:2016, Agglomerated stone - Test
methods - Part 2: Determination of flexural strength (bending)
BS EN 14617-4:2012, Agglomerated stone - Test
methods - Part 4: Determination of the abrasion resistance)
BS EN 14617-10:2012, Agglomerated stone -Test
methods - Part 10: Determination of chemical resistance)
ISO 4435:2003, Plastics piping systems for
non-pressure underground drainage and sewerage - Unplasticized poly(vinyl
chloride) (PVC-U)
ISO 15875-2:2003, Plastics piping systems for
hot and cold water installations - Crosslinked polyethylene (PE-X) - Part 2:
Pipes
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ISO 22391-2:2009, Plastics piping systems for
hot and cold water installations - Polyethylene of raised temperature resistance
(PE-RT) - Part 2: Pipes
ASTM C471M-20a, Standard test methods for
chemical analysis of gypsum and gypsum products
PART 2. TECHNICAL
REQUIREMENTS
2.1. Amphibole asbestos (or
amphibole) must not be used for making products of building materials. The
following 05 types of amiante amphibole are prohibited:
- Crocidolite (blue asbestos): HS code:
2524.10.00
Fibrous, blue, chemical formula: 3H2O.2Na2O.6(Fe2,Mg)O.2Fe2O3.17SiO2;
- Amosite (brown asbestos): HS code: 2524.90.00
Fibrous, brown, chemical formula:
5.5FeO.1.5MgO.8SiO2.H2O;
- Anthophilite: HS code: 2524.90.00
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- Actinolite: HS code: 2524.90.00
Fibrous, brown, chemical formula:
2CaO.4MgO.FeO.8SiO2.H2O;
- Tremolite: HS code: 2524.90.00
Fibrous, colored, chemical formula: 2CaO.5MgO.8SiO2.H2O.
2.2. Products, goods of building materials must
have their specifications examined according to the respective test methods
provided in Table 1 and reach the required value in this table.
Table 1 - List of
products and goods of building materials
No.
Product name
Specification
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Test method
Sampling guidelines
HS code
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Cement, cement and concrete admixtures
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1
Portland cement
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PC 40
PC 50
TCVN 6016:2011
Take about 4 kg apiece from 10 different positions in
the same lot. Take 20 kg of samples on average.
2523.29.90
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- 3 days ± 45 min
21
25
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- 28 days ± 8 h
40
50
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2. Volume stability
by Le Chatelier’s principle, mm, not more than
10,0
TCVN 6017:2015
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3. Content of
anhydrous sulfuric acid (SO3), %, not more than
3,5
TCVN 141:2023
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4. Content of
magnesium oxide (MgO), %, not more than
5,0*
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5. Loss on
ignition, %, not more than
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- In the absence of
limestone
3,0
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- In the presence
of limestone
3,5
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6. Insoluble
residue content, %, not more than
1,5
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(*) An MgO
content of up to 6% is allowed if the autoclave expansion (determined
according to TCVN 8877:2011) of the cement is not more than 0.8%.
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Blended portland cement
1. Compressive
strength, MPa, not less than:
PCB 30
PCB 40
PCB 50
TCVN 6016:2011
Take individual samples from at least 10 different
positions in the same lot. Take 10 kg of samples on average.
2523.29.90
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- 3 days ± 45 min
14
18
22
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- 28 days ± 8 h
30
40
50
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2. Volume stability
by Le Chatelier’s principle, mm, not more than
10,0
TCVN 6017:2015
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3. Content of
anhydrous sulfuric acid (SO3), %, not more than
3,5
TCVN 141:2023
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4. Autoclave
expansion, %, not more than
0,8
TCVN 8877:2011
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3
Sulfate resistant portland cement
As per Appendix A
2523.29.90
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4
Phosphogypsum for cement production
1. Content of CaSO4.2H2O,
%, not less than
75
TCVN 9807:2013
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2520.10.00
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2. Content of
soluble phosphorus pentoxide (soluble P2O5), %,
not more than
0,1
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3. Content
of total P2O5, %, not more than
0,7
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4. Content
of water-soluble fluoride (F-soluble), %, not more than
0,02
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5. Content of
total fluoride (F-total), %, not more than
0,6
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6. pH, not less
than
6,0
TCVN 9339:2012
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7. Safety
radioactivity index (l), not more than
1
Appendix D - TCVN 11833:2017
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8. Difference
in setting time as compared to that of the control
cement, hour, less than
2
TCVN 6017:2015
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Granulated blast furnace slag
Granulated blast
furnace slag for cement production
2618.00.00
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1,6
TCVN 4315:2007
...
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2. Strength
activity index, %, not less than:
TCVN 4315:2007
Take about 4 kg apiece from 10 different positions in
the same lot. Take 20 kg of samples on average.
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- 7 days
55,0
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- 28 days
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3. Content of
magnesium oxide (MgO), %, not more than
10,0
TCVN 141:2023
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4. Safety
radioactivity index, l1, not more than
1
Appendix A - TCVN 12249:2018
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Ground
granulated blast-furnace slag for concrete and mortar
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1. Strength
activity index, %, not less than
S60
S75
S95
S105
Appendix A - TCVN 11586:2016
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- 7 days
-
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75
95
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- 28 days
...
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75
95
105
...
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10,0
TCVN 8265:2009
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4,0
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4. Content
of chloride ion (Cl-), %, not more than
0,02
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5. Loss on
ignition, %, not more than
3,0
TCVN 11586:2016
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6. Safety
radioactivity index, I1, not more than
1
Appendix A - TCVN 12249:2018
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6
Activity admixture - Fly ash for concrete, mortar and
cement
As per Appendix A
2621.90.00
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II
Construction
aggregate
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1
Crushed sand for concrete and mortar
1. Particle size
distribution(b)
As per Table 1 of TCVN 9205:2012
TCVN 7572-2:2006
Take at least 5 kg apiece from 10 different
positions, mix samples then split the mixture in four parts then take one
20-kg part as the test sample
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2. Level of grains
whose size is below 75 µm(c)
As per Article 3.5 of TCVN 9205:2012
TCVN 9205:2012
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3. Level of clay
particles, %, not more than
2
TCVN 7572-8:2006
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4. Content of
chloride ion (Cl-), not more than(a)
As per Table 2 of TCVN 9205:2012
TCVN 7572-15:2006
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5. Alkali-silica
reaction
In innocuous range
TCVN 7572-14:2006
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2
Natural sand for concrete and mortar
1. Particle size
distribution
As per Table 1 of TCVN 7570:2006
TCVN 7572-2:2006
Take at least 5 kg apiece from 10 different
positions, mix samples then split the mixture in four parts then take one
20-kg part as the test sample
2505.10.00
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2. Levels of
impurities:
- Ball clay and
impurities in the form of pieces
- Levels of dust,
mud and clay
As per Table 2 of TCVN 7570:2006
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3. Organic
impurities
Not darker than the standard color
TCVN 7572-9:2006
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4. Content
of chloride ion (Cl-)(a)
As per Table 3 of TCVN 7570:2006
TCVN 7572-15:2006
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5. Alkali-silica
reaction
In innocuous range
TCVN 7572-14:2006
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(a)
Aggregates whose content of Cl- exceeds the regulated
value are permissible if the total content of Cl- from
all constituents in 1 m3 of concrete does not exceed 0.6 kg
for normal reinforced concrete or 0.3 kg for prestressed reinforced concrete.
(b) Crushed
sand whose level of fractions passing 140 µm and 75 µm sieves does not
comply with the requirement is permissible if test results indicate no harms
against the quality of concrete and mortar.
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III
Masonry
materials
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Ceramic floor and wall tiles
As per Appendix C
6907.21.91
6907.21.93
6907.22.91
6907.22.93
6907.23.91
6907.23.93
6907.21.92
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6907.23.92
6907.21.94
6907.22.94
6907.23.94
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2
Natural stone facing slabs
As per Appendix D
2506.10.00
2506.20.00
2514.00.00
2515.12.20
2515.20.00
2516.20.20
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6802.21.00
6802.23.00
6802.29.10
6802.29.90
6802.91.10
6802.91.90
6802.92.00
6802.93.10
6802.93.00
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3
Artificial stone slabs based on organic binders
As per Appendix E
6810.19.90
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4
Interlocking concrete bricks
1. Compressive
strength, N/mm2
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20
TCVN 6476:1999
Take 15 random bricks from the same lot
68101910
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M300
30
...
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M400
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...
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M500
50
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M600
60
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2. Water
absorption, %
M200
10
TCVN 6355-4:2009
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M300
8
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M400
8
...
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M500
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M600
6
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3. Abrasion, g/cm2
0,5
TCVN 6065:1995
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IV
Masonry
materials
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1
Clay bricks
As per Appendix F
6904.10.00
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2
Concrete bricks
As per Appendix G
6810.11.00
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3
Autoclaved aerated concrete products
As per Appendix H
6810.99.00
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4
Wall panels
Precast
extrusion concrete hollow core wall panels
6810.91.00
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1. Water
absorption, %, not more than
TCVN 3113:2022
Take 03 test samples cut from a panel at 28 days of
age
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- Normal panel
12
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- Soundproof panel
8
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2. Class of impact
resistance
...
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TCVN 11524:2016
Take 03 test samples cut from a panel at 28 days of
age
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500 mm
...
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1500 mm
...
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- High - C1
6
6
6
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- Medium - C2
6
6
-
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- Low - C3
6
-
-
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3. Tensile
strength, N, not less than
1000
Take 01 test sample from the product with
satisfactory water absorption
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4. Compressive
strength of concrete at 28 days of age, MPa, not less than
15
TCVN 3118:2022
03 test samples 150 x 150 x 150 mm
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Lightweight
sandwich wall panel
6810.91.00
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1. Class of impact
resistance
...
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TCVN 11524:2016
Take 03 test samples cut from a panel at 28 days of
age
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1000 mm
1500 mm
...
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6
6
6
...
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6
6
-
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6
-
-
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Load, N, not less than
Maximum deflection, mm
Maximum residual deformation, mm
TCVN 12302:2018
Take 03 test samples cut from a panel at 28 days of
age
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Level 1
1000
5
1
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Level 2
1250
20
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Level 3
1500
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3. Adheshive
strength between panel and core layer, MPa, not less than
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TCVN 9349:2012
Take 01 sample from the product satisfying the
requirement concerning size and appearance
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4. Compressive
strength of lightweight sandwich wall panel, MPa, not less than
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TCVN 9030:2017
03 test samples (100 x 100 x thickness) mm cut from
03 lightweight panels
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Reinforced
autoclaved aerated concrete wall panel
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1. Compressive
strength and density
Table 3.
TCVN 12867:2020
...
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Take 02 test samples cut from a panel at 28 days of
age
...
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2. Drying
shrinkage, mm/m, not more than
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Take 01 test sample cut from a panel at 28 days of
age
...
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V
Roofing
materials
...
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1
Asbestos-cement corrugated sheets
1. Permeability,
hour, not less than
24
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Take 3 whole corrugated sheets that have been cured
for at least 28 days from the date of manufacture
6811.40.10
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2. Breaking
load per width of the corrugated sheets, N/m, not less
than
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2
Roofing tiles
Clay roofing
tiles
...
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6905.10.00
...
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1. Water
permeability
- Mean value, not
more than
- Water
permeability of each sample tile, not more than
Class 1
Class 2
TCVN 4313:2023
Take 20 random whole pieces from the same lot
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0,8
0,925
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0,85
0,95
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2
Roofing tiles
2. Breaking
strength, N, not less than
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- For flat tiles
600
TCVN 4313:2023
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- For flat tiles
with groove
900
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- For yin-yang
tiles
1000
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1200
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Glazed ceramic
roof tiles
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6905.10.00
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1. Water
absorption, %
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2. Breaking
load for roofing tiles, per width of tiles, N/cm
TCVN 4313:2023
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3. Crazing
resistance, determined according to the appearance of craze patterns after
testing
TCVN 6415-11:2016 (ISO 10545-11:1994)
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Concrete tiles
6811.82.20
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Appendix I
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VI.
Sanitary
appliances
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1
Wash basins
1. Load resistance
Wall-hung wash basins shall not crack, be broken or
show permanent distortion
As per Article 5.2 - TCVN 12648:2020
01 complete suite
7324.90.10
6910.10.00
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2. Water drainage
All water shall drain away
Article 5.3 - TCVN 12648:2020
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3. Cleanability
Article 4.6 of TCVN 12648:2020
Article 5.8- TCVN 12648:2020
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4. Protection
against overflowing
Article 4.7 of TCVN 12648:2020
Article 5.9-TCVN 12648:2020
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2
Wall-hung urinals
1. Load resistance
Wall-hung urinals shall not crack, become detached
from the wall or show permanent distortion
Article 6.6.3 - TCVN 12651:2020
01 complete suite
7324.90.10
6910.10.00
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2. Flushing
performance
As per Article 6.2 of TCVN 12651:2020
Article 6.6.1.3 - TCVN 12651:2020
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3. Depth of water
seal
As per Article 6.1 and 7.1 of TCVN 12651:2020
Article 6.6.1 and 7.5.1 - TCVN 12651:2020
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3
Bidets
1. Load resistance
Bidets shall not crack or show permanent distortion
Article 5.2 - TCVN 12652:2020
01 complete suite
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6910.10.00
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2. Cleanability
As per Article 4.3 of TCVN 12652:2020
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3. Protection
against overflowing
As per Article 4.4 of TCVN 12652:2020
Article 5.4 - TCVN 12652:2020
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4
WC pans
1. Static load
WC pans shall not crack or show permanent distortion
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01 complete suite
7324.90.10
6910.10.00
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As per Article 5.2 of TCVN 12649:2020
Article 5.7.2- TCVN 12652:2020
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VII.
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1
Clear float glass
As per Appendix K
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2
Flat heat treated glass
As per Appendix L
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3
Heat-absorbing colored glass
1. Thickness
tolerance
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TCVN 7529:2005
03 test samples ≥ (610x610) mm
7005.21.90
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As per Appendix K.2
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3. Solar radiation
transmittance ratio, not more than
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h5 - 0,8
0,8
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h5 - 0,7
0,7
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4
Reflective coated glass
1. Thickness
tolerance
As per Appendix K.1
TCVN 7219:2018
03 test samples ≥ (610x610) mm
7005.21.90
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2. Visible defects
As per Table 1 of TCVN 7528:2005
TCVN 7219:2018
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3. Blocking value
for solar reflective heat
Table 2 of TCVN 7528:2005
Article 6.3 - TCVN 7528:2005
3 test samples, (50x50) mm
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R 0,3
From 0,30 to 0,44
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R 0,5
From 0,45 to 0,59
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R 0,6
Greater than or equal to 0,60
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Low emissivity coating glass (Low E)
1. Emissivity, ε,
not more than
EN 12898:2019
3 test samples, (50x50) mm
7005.21.90
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Hard coat
0,25
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Soft coat
0,18
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2. Visible defects
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Article 8.2 - EN 1096-1:2012 (E)
03 test samples ≥ (610x610) mm
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6
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1. Nominal
thickness, mm
Permissible tolerance*, mm
TCVN 8260:2009
3 test samples, (350x500) mm
7008.00.00
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- < 17
± 1,0
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± 1,5
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- > 22
± 2,0
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2. Dew point, not
higher than
- 35°C
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(*) If the
sealed insulating glass has two or more layers of gas and one layer of gas
has a thickness greater than or equal to 15 mm, this thickness tolerance will
be agreed upon by the related parties.
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7
Laminated glass and laminated safety glass
1. Thickness
tolerance
Article 4 - TCVN 7364-5:2018
TCVN 7364-5:2018
6 test samples ≥ (610x610) mm
7007.29.90
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2. Ball drop impact
resistance
At least 5 panes of glass, when broken, fragments of
glass remain adhered to the interlayer
TCVN 7368:2012
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3. Heat resistance
No occurrence of bubbles, delamination or cloudiness
TCVN 7364-4: 2018
6 test samples ≥ (100x300) mm
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VIII.
Decorative and
finishing materials
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1
Wallcoverings in roll form - Finished
wallpapers, wall vinyls and plastics wallcoverings
1. Migration of
heavy metals
Table 1.
TCVN 11896:2017
TCVN 11898:2017 (EN 12149:1998)
Test sample is 01 roll of wallcovering or 01 roll of
wallcovering frieze
4814.90.00
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4814.20.91
4814.20.99
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2. Content
of vinyl chloride monomer, mg/kg of wall coverings, not more than
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3. Content of
dispersed formaldehyde, mg/kg of wall coverings, not more than
120
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2
Well emulsion paints
1. Resistance of
paint coatings after a cross-cut test, not more than
1
TCVN 2097:2015
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3209.10.90
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2. Scrub
resistance, cycle, not less than:
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- Interior paint
coatings
100
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- Exterior paint
coatings
1200
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3. Hot and cold
cycles of exterior paint coatings, cycle, not less than
50
TCVN 8653-5
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4. Content of
volatile organic matter (VOC), g/l, not more than
50
TCVN 10370-1,2: 2014 (ISO 11890- 1,2:2007) or TCVN
10369:2014 (ISO 17895:2005)
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3
Gypsum board and Fiber-reinforced gypsum panel*
Gypsum board
Fiber-reinforced gypsum panel
- For standard size
samples (1220 x 2440 mm): The number of test samples is not less than 03
whole panels;
- For samples of
other sizes: The total area of the test samples is not less than 3 m2
6809.11.00
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1. Flexural
strength
TCVN 8256:2022
TCVN 13560:2022
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TCVN 8257-5
TCVN 8257-6
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2. Humidified
deflection
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3. Water absorption
(only applicable to moisture-resistant floors; exterior claddings; roofs)
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4. Content of
volatile sulfur compound (Orthorhombic cyclooctasulfur - S8), ppm, not more
than
10
ASTM C471 M-20a
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(*)Not
applicable to perforated gypsum boards intended for soundproofing purposes
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Wood-based panels
Fibreboards
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1. Swelling in
thickness after immersion in water
Depending on each
type specified under TCVN 7753:2007
TCVN 12445:2018 (ISO 16983:2003)
Take at least 02 full-size samples from each lot
4411.1200
4411.1300
4411.1400
4411 9200
4411.9300
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2. Static bending
strength
TCVN 12446:2018 (ISO 16978:2003)
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3. Tensile strength
perpendicular to the plane of the panel
TCVN 12447:2018 (ISO 16984:2003)
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4. Formaldehyde
release
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- E1 classification
Not more than 0,124
mg/m3
TCVN 11899-1:2018 (ISO 12460-1)
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TCVN 11899-5:2018 (ISO 12460-5)
...
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- E2 classification
Not more than 0,124
mg/m3
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Or not more than 30
mg/100g
TCVN 11899-5:2018 (ISO 12460-5)
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Fibreboards
4410.1100
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1. Swelling in
thickness after immersion in water
Depending on each type specified under 12362:2018
(ISO 16893:2016)
TCVN 12445:2018 (ISO 16983:2003)
Take at least 02 full-size samples from each lot
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2. Static bending
strength
TCVN 12446:2018 (ISO 16978:2003)
...
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3. Tensile strength
perpendicular to the plane of the panel
TCVN 12447:2018 (ISO 16984:2003)
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4. Formaldehyde
release, not more than
0,124 mg/m3
TCVN 11899-1 (ISO 12460-1)
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TCVN 11899-4 (ISO 12460-4)
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Or 8,0 mg/100g
TCVN 11899-5 (ISO 12460-5)
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Blockboards and
battenboards
4418.99.00
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Formaldehyde
release, not more than
0,124 mg/m3
TCVN 11899-1 (ISO 12460-1)
TCVN 11903:2017 (ISO 16999:2003)
02 test samples (0,5 x 0,5) m.
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IX
Water supply
and drainage pipe products
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1
PVC pipes and fittings (couplings) for water supply
and drainage systems under pressure
Resistance to
internal pressure:
- For PVC-U pipes
and fittings:
+ at 20°C, 1h;
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+ at 20°C, 1h;
+ at 95°C, 165h;
- For PVC-M pipes
and fittings:
+ at 20°C, 1h;
Not damaged during
the testing process
TCVN 6149-1:2007 (ISO 1167-1:2006)
TCVN 6149-2:2007 (ISO 1167-2:2006)
TCVN 6149-3:2007 (ISO 1167-3:2006)
Take test samples
in at least 03 positions. Take 02 pipe sections at each position, a minimum
length of 1.0 m for each section.
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3917.23.00
3917.40.00
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2
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Resistance to
internal pressure
- For PE pipes and
fittings:
+ at 20°C, 100h;
+ at 80°C, 165h;
- For PE-X pipes
and fittings:
+ at 20°C, 1h;
+ at 95°C, 1h;
- For PE-RT pipes
and fittings:
+ at 20°C, 1h;
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Not damaged during
the testing process
TCVN 6149-1:2007 (ISO 1167-1:2006)
TCVN 6149-2:2007 (ISO 1167-2:2006)
TCVN 6149-3:2007 (ISO 1167-3:2006)
Take test pipe
samples in at least 03 positions. Take 02 pipe sections at each position, a
minimum length of 1.0 m for each section.
Take at least 06
fittings.
3917.21.00
3917.40.00
3917.32.99
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3
PP pipes and fittings (couplings) for water supply
and drainage systems under pressure
Resistance to
internal pressure:
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+ at 95°C, 22h;
Not damaged during
the testing process
TCVN 6149-1:2007 (ISO 1167-1:2006)
TCVN 6149-2:2007 (ISO 1167-2:2006)
TCVN 6149-3:2007 (ISO 1167-3:2006)
Take test pipe
samples in at least 03 positions. Take 02 pipe sections at each position, a
minimum length of 1.0 m for each section.
Take at least 06
fittings.
3917.22.00
3917.40.00
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4
Pipes and fittings (couplings) of glass fiber
reinforced thermosetting plastics (GRP) on an unsaturated polyester resin
basis (UP)
1. Ring stiffness
of pipes and fittings
≥ Corresponding SN in Table 9
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TCVN 10769:2015 (ISO 7685:1998)
Take test samples in at least 03 positions. Take 02
pipe sections at each position, a minimum length of 1.0 m for each section.
Take at least 06 fittings.
3917.29.25
3917.40.00
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2. Initial
longitudinal tensile strength
Satisfy the requirements of Table 14 – corresponding
to PN & DN of pipes
TCVN 9562:2017
(ISO 10639:2017)
TCVN 10967:2015 (ISO 8513:2014)
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5
Ductile iron pipes and fittings (couplings) of
ductile iron for water conduit works
1. The tightness of
pipes and fittings under internal pressure shall be tested at 1.5 PFA + 5 bar
TCVN 10177:2013
(ISO 2531:2009)
No leak
Article 7.1
TCVN 10177:2013 (ISO 2531:2009)
Take test samples
in at least 03 positions. Take 02 pipe sections at each position, a minimum
length of 1.0 m for each section.
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7303.00.19
7303.00.11
7307.19.00
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Other products
and goods of building materials
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1
Chrysotile asbestos for asbestos - cement corrugated
sheets
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Chrysotile asbestos is not mixed with amphibole group
minerals
TCVN 9188
Take at least 5 kg of test samples
2524.90.00
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2
Iron and steel cable tray systems and
cable ladder system used in electrical installation for constructions
1. Mechanical
strength
Maintain Safe Working Load - SWL
Article 10.1 - TCVN 10688:2015
(IEC 61537:2006)
Take test samples
in at least 03 positions from the lot. Take 02 tray sections at each
position, a minimum length of 2.0 m for each section.
7308.90.60
7326.90.99
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2. Resistance to
fire propagation
Be resistant to flame propagation
TCVN 9900-2- 11:2013
(IEC 60695-2- 11:2000)
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(IEC 60695-11- 2:2003)
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3
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1. Resistance to
fire propagation
TCVN 7417-1:2010
(IEC 61386-1:2008)
Be resistant to flame propagation
TCVN 9900-2- 11:2013
(IEC 60695-2- 11:2000)
TCVN 9900-11- 2:2013
(IEC 60695-11- 2:2003)
Take test samples
in at least 03 positions. Take 02 pipe sections at each position, a minimum
length of 1.0 m for each section.
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3917.21.00
3917.22.00
3917.23.00
3917.40.00
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PART 3.
REGULATORY REQUIREMENTS
3.1. Conformity certification
3.1.1. Conformity of products and
goods of building materials in Table 1 Part 2 of this Regulation shall be
certified using the assessment methods mentioned in 3.1.2.
3.1.2. Conformity assessment methods
are set out in the Circular No. 28/2012/TT-BKHCN dated December 12, 2012 of the
Minister of Science and Technology on declaration of standard conformity and
technical-regulation conformity and methods for conformity assessment
(hereinafter referred to as “the Circular No. 28/2012/TT-BKHCN”) and the
Circular No. 02/2017/TT-BKHCN dated March 31, 2017 of the Minister of
Science and Technology on amendments to some Articles of the Circular
No. 28/2012/TT-BKHCN (hereinafter referred to as “the Circular No.
02/2017/TT-BKHCN”). To be specific:
- Method 1: Representative sample testing
The certificate of conformity shall be valid for no
more than 01 year. It shall be only valid for the types of product and goods
whose samples are taken for tests.
This method shall apply to imported products and
goods of building materials when:
+ The foreign manufacturer has been issued with the
certificate of quality management quality in conformity with ISO 9001 which
covers the manufacturing of products of building materials and that certificate
remains effective.
+ The supervision is carried out by testing samples
upon each import.
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The certificate of conformity shall be valid for no
more than 03 years and annual supervision shall be carried out testing samples
at the manufacturing location or on the market in association with assessment
of the manufacturing process.
This method shall apply to the products
manufactured by domestic or foreign manufacturers which have
established and maintained a quality management system in order
to stably maintain quality of products and goods.
- Method 7: Testing and assessing batches
and lots.
The certificate of conformity shall be only valid
for shipments of manufactured and imported products and goods of building
materials.
3.2. Conformity declaration
3.2.1. Conformity of domestically
manufactured and imported products and goods of building materials shall be
declared at the inspecting authority of the local area where business is
registered according to the certification result given by the certification
body registered or recognized as prescribed by law;
3.2.2. Applications and procedures
for conformity declaration are specified in Articles 14 and 15 of the Circular
No. 28/2012/TT-BKHCN amended by the Circular No. 02/2017/TT-BKHCN and Circular
No. 06/2020/TT-BKHCN (the newest version shall prevail when replaced or
amended)
3.3. Regulations applicable to imported products
and goods of building materials
3.3.1. Regarding imported goods of
building materials specified in Part 2 of this Regulation, the importer shall:
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b) When applying for state inspection, it is
required to specify names of the conformity certification body and testing body
carrying out testing and assessment of quality of imported goods in the
Application form according to the Form No. 01 of the Government's Decree No.
74/2018/ND-CP dated May 15, 2018 amended by clause 9 Article 4 of the
Government's Decree No. 154/2018/ND-CP dated November 9, 2018. The inspecting
authority shall confirm in the application form that the importer has applied
for inspection of quality of imported goods.
c) The importer shall submit the application form
having the inspecting authority’s confirmation to the customs authority to be
granted customs clearance;
d) Within 15 working days (35 working days for
cement, cement, concrete and mortar admixtures) from the date of customs
clearance, the importer shall submit a copy of the original application form
(bearing the importer’s name and seal), certificate of conformity and result of
inspection of goods quality (carried out by the conformity certification body
and testing body specified in the application form previously submitted to the
inspecting authority) in conformity with Table 1 of this Regulation to the
inspecting authority.
dd) If the goods have been assessed by the
certification body in the exporting country, within 03 working days from the
date of customs clearance, the importer shall submit a copy of the original
application form (bearing the importer’s name and seal) and certificate of
conformity to the inspecting authority.
e) If the importer applies for quality inspection
through the National Single Window Portal, apply for quality inspection and
return inspection result through the National Single Window Portal.
g) The importer shall be totally responsible to the
law for the quality of goods they import.
3.3.2. Reduction or exemption of
inspection of quality of imported goods of building materials shall be applied
according to clause 3 Article 1 of the Government's Decree No. 74/2018/ND-CP
and clause 3 Article 4 of the Government’s Decree No. 154/2018/ND-CP dated
November 09, 2018 amending, supplementing and repealing certain regulations on
investment and business conditions in sectors under the management of the
Ministry of Science and Technology and certain regulations on specialized
inspections.
Any importer that has the need for reduction or
exemption of inspection shall prepare an application as prescribed in clause 3
Article 4 of the Decree No. 154/2018/ND-CP and submit it to the local
inspection authority for consideration and confirmation.
Throughout the duration of such reduction or
exemption, the importer shall comply with the regulations enshrined in Article
7 of the Circular No. 06/2020/TT-BKHCN dated December 10, 2020.
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3.5. Sampling methods, specifications and
quantity of samples for testing and assessment
3.5.1. Methods for collecting
representative samples shall comply with the provisions set out in prevailing
national technical regulations on sampling methods and preparation of test
samples applicable to corresponding products.
3.5.2. Specifications and quantity of
representative samples of each lot of products or goods shall comply with the
regulations set out in Table 1 Part 2 corresponding to each type of product.
3.5.3. Where goods of building
materials imported in small quantity resulting in not being adequate for
collecting samples as per regulations or the testing costs determined via 03
quotations of the testing body are greater than value of imported shipments;
the importer has the need to prove that goods are not used, circulated and put
into any construction work, Article 1.1.2 of this Regulation shall be complied.
For imported goods of building materials failing to
meet the specifications specified in Part 2, the importer shall cooperate with
the certification body in working with the manufacturer and exporter in the
foreign country to send samples representing the shipment of imported goods to
service the quality certification as prescribed; the quantity of samples shall
be sufficient for testing and sample storage.
3.6. Packaging, labeling, transport and
preservation
Products and goods of building materials shall be
labelled as prescribed in the Government's Decree No. 43/2017/ND-CP dated April
14, 2017 on goods labels and Government's Decree No. 111/2021/ND-CP dated
December 09, 2021 on amendments to some Articles of the Government's Decree No.
43/2017/ND-CP dated April 14, 2017 on goods labels and Circular No.
18/2022/TT-BKHCN of the Ministry of Science and Technology elaborating to
mandatory information of labels of several goods categories to be displayed on
electronic media.
Regulations on packaging (for products bagged,
packaged or boxed), transport and preservation specified in the standard
applied to such products shall be complied with.
PART 4.
REGISTRATION BY/RECOGNITION OF CONFORMITY CERTIFICATION BODIES AND TESTING
BODIES
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4.2. The Ministry of Construction shall consider
recognizing certification bodies and testing bodies in foreign countries that
certify and test products and goods of building materials in Table 1 as
prescribed by law when the mutual recognition agreement is signed.
PART 5.
RESPONSIBILITIES OF RELEVANT ORGANIZATIONS AND INDIVIDUALS INVOLVED IN
CONFORMITY CERTIFICATION AND DECLARATION
5.1. Specialized agency of the Ministry of
Construction has the responsibility to:
5.1.1. Provide guidelines for
conformity certification.
5.1.2. Organize the formulation,
review and amendment of National technical regulation on products, goods of
building materials.
5.1.3. Inspect, supervise and review
activities of registered and recognized certification bodies and testing
bodies; propose the issuance, invalidation and revocation of the certificate of
registration of certification bodies and testing bodies according to the Decree
No. 107/2016/ND-CP and publish such on the website of the Ministry of
Construction;
5.1.4. Supervise, review and inspect
(on a periodic or ad hoc basis) the declaration of conformity and certification
of reduction or exemption of quality inspection of products and goods of
building materials by local inspecting authorities.
5.2. Local inspecting authorities have the
responsibility to:
5.2.1. Receive applications for
conformity declaration of organizations and individuals for products and goods
of building materials; receive and processing applications for state inspection
of imported goods.
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5.2.3. Manage and inspect
certification and declaration of conformity of products and goods of building
materials in the locality. Cooperate with local inspecting authorities at
border checkpoints to inspect the registration of state inspection of quality
and conformity with quality requirements for imports.
5.2.4. Submit a consolidated report
on certification and declaration of conformity, results of state inspection of
imports, and reduction and exemption of goods inspection to the Ministry of
Construction before December 25 every year or at the request of the Ministry of
Construction.
5.3. Conformity certification bodies and testing
bodies have the responsibility to:
5.2.4. Before December 20 or upon
request, submit a written report on results of conformity certification and
testing activities to the local inspecting authority and Ministry of
Construction.
5.3.2. If the registered competence
in conformity certification or testing is changed, the change shall be notified
to the Ministry of Construction within 15 days from the date of change.
5.3.3. Exercise other rights and
obligations as prescribed by law.
5.4. Manufacturers and importers of products,
goods of building materials have the responsibility to:
Comply with regulations of law and ensure quality
of products and goods in accordance with the provisions set out in this
Regulation before they are circulated and put into construction works.
Exercise other rights and obligations as prescribed
by law.
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APPENDIX
APPENDIX A -
Sulfate resistant portland cement
No.
Specification
Required value
Test method
Sampling
guidelines
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Medium sulfate
resistance
High sulfate
resistance
PCMSR30
PCMSR40
PCMSR50
PCHSR30
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PCHSR50
1
Loss on ignition, %, not more than
3,0
3,0
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Take individual
samples from 10 different positions in the lot. Mix individual samples and
take a mixed sample size weighed at least 10 kg.
2
Magnesium oxide (MgO) content, %, not more than
5,0
5,0
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Ferric oxide content (Fe2O3)
content, %, not more than
6,0
-
4
Aluminum oxide (Al2O3)
content, %, not more than
6,0
-
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5
Sulfur trioxide (SO3) content,
%, not more than
3,0(1)
2,3(1)
6
Tri calcium aluminate (C3A) content,
%, not more than
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5(2)
TCVN 6067:2018
7
Total content (C4AF + 2C3A), %, not more than
-
25(2)
TCVN 6067:2018
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8
Insoluble residue content, %, not more than
0,75
0,75
TCVN 141:2023
9
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10
10
TCVN 6017:2015
10
Compressive strength, MPa, not less than:
TCVN 6016:2011
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- 3 days
16
21
25
12
16
20
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- 28 days
30
40
50
30
40
50
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(1) It is permissible to exceed
the values in the table for SO3 content provided when the
cement is tested, it will not develop expansion exceeding 0.020 % at 14 days.
The expansion value shall be provided;
(2) Mineral composition of
sulfate resistant portland cement is calculated using the following formula:
Tri calcium aluminate (C3A) =
(2.650 x %Al2O3) - (1.692 x %Fe2O3).
Tetra calcium ferro aluminate (C4AF) =
3.043 x %Fe2O3).
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No.
Specification
Required value
Test method
Sampling guidelines
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for cement
Type of fly ash
Purpose
Acid ash F
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a
b
c
d
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1
Content of sulfur and sulfur compounds as
equivalent SO3, % weight, not more than
F
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3
5
5
5
3
6
3
3
3,5
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TCVN 141:2023
Take at least 2 kg apiece from 5 different
positions in the lot. Use quad-split method to take a mixed sample.
2
Content of free calcium oxide CaOfree,
% weight, not more than
F
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-
2
-
4
-
4
2
1,0
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3
Loss on ignition, % weight, not more than
F
C
12
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15
9
8*
7
5*
5
8*
6
TCVN 8262:2009
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4
Content of deleterious alkali (soluble
alkali), % weight, not more than
F
C
1,5
1,5
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5
Content of chloride ion (Cl-), %
weight, not more than
F
C
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-
-
0,1
TCVN 141:2023
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6
Natural radioactivity Aeff, (Bq/kg) of fly ash
used:
Appendix A - TCVN
10302:2014
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- For houses and public works, not more than
370
370
- For industrial works, urban roads and
residential areas, not more than
740
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7
Strength activity index of cement after 28 days
compared with the control sample, %, not less than
75
TCVN 6882:2016
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* When burning anthracite coal, fly ash can be
used with a loss on ignition of: - up to 12 % for purpose c; - up to 10 % for
purpose d, by agreement or according to accepted test results.
+F – Acid
ash
C - Base
ash;
+ Fly ash for concrete and mortar, used for 4 purposes bearing the following
symbols:
- Manufacturing reinforced concrete products and
components from heavy concrete and lightweight concrete, symbol: a;
- Manufacturing non-reinforced concrete products
and components from heavy concrete, lightweight concrete and mortar, symbol:
b;
- Manufacturing cellular concrete products and
components, symbol: c;
- Manufacturing concrete and reinforced concrete
products and components under special conditions, symbol: d.
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APPENDIX C -
Ceramic floor and wall tiles
Table C -1. Dry
pressed ceramic floor and wall tiles (Group B)
No.
Specification
Required value
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Sampling
guidelines
BIa
Ev ≤ 0,5%
BIb
0,5% < Ev
≤ 3%
BIIa
3% < Ev
≤ 6%
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6% < Ev
≤ 10%
BIII
Ev
> 10%
1.
Water absorption, Ev, % mass fraction
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TCVN 6415-3:2016
(ISO 10545-3:1995)
From 5 to 20 whole
pieces (*)
- Medium
Ev ≤
0,5%
0,5% < Ev
≤ 3%
3% < Ev ≤
6%
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Ev >
10%
- Of each sample, not more than
0,6
3,3
6,5
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-
2.
Modulus of rupture, MPa
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TCVN 6415-4:2016
(ISO 10545-4:2014)
- Medium, not less than
35
30
22
18
12 (d≥7,5) 15 (d
< 7,5)
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- Of each sample, not less than
32
27
20
16
-
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Abrasion resistance
3.1.
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175
175
345
540
-
TCVN 6415-6:2016
(ISO 10545-6:2010)
3.2.
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I, II, III, IV
I, II, III, IV
I, II, III, IV
I, II, III, IV
I, II, III, IV
TCVN 6415-7:2016
(ISO 10545-7:1996)
4.
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9
TCVN 6415-8:2016
(ISO 10545-8:2014)
5.
Moisture expansion, mm/m, not more than
-
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TCVN 6415-10:2016
(ISO 10545-10:1995)
Table C -2.
Extruded ceramic floor and wall tiles (Group A)
No.
Specification
Required value
Test method
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AIa
Ev≤
0,5%
AIb
0,5 < Ev
≤ 3%
AIIa-1
3% < Ev
≤ 6%
AIIa-2
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AIIb-1
6% < Ev
≤ 10%
AIIb-2
6% < Ev
≤ 10%
AIII
Ev
> 10%
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1.
Water absorption, Ev, % mass fraction
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From 5 to 20 whole
pieces (*)
- Medium
Ev ≤
0,5%
0,5 < Ev ≤
3%
3% < Ev
≤ 6%
3% < Ev
≤ 6%
6% < Ev
≤ 10%
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Ev >
10%
- Of each sample, not more than
0,6
3,3
6,5
6,5
11
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-
2.
Modulus of rupture, MPa
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TCVN 6415-4:2016
(ISO 10545- 4:2014)
- Medium, not less than
28
23
20
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17,5
9
8
- Of each sample, not less than
21
18
18
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15
8
7
3.
Abrasion resistance
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3.1
Resistance to deep abrasion of unglazed tiles,
expressed as the volume removed, mm3, not more than
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275
393
541
649
1062
2365
TCVN 6415-6:2016
(ISO 10545-6:2010)
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Resistance to abrasion of glazed tiles, at the
abrasion stage at which visual failure occurred, class
I, II, III, IV
I, II, III, IV
TCVN 6415-7:2016
(ISO 10545- 7:1996)
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4.
Coefficient of linear thermal expansion, from
ambient temperature to 100 °C, 10-6/°C, not more than
10
TCVN 6415- 8:2016
(ISO 10545- 8:2014)
5.
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0,6
TCVN 6415- 10:2016
(ISO 10545- 10:1995)
Notes:
(*) The batch size of ceramic floor and
wall tiles is not greater than 1500 m2. For product (no. 1, Section
III Table 1), clearly specify the sampling guidelines and specifications to be
checked as follows:
- For tiles whose edge is less than 2 cm (possibly
in the form of pieces/slabs or a sheet): it is necessary to check the
specifications: 1., 5, 6; number of test samples: 12 whole pieces or not less
than 0.25 m2.
- For tiles whose edge is 2 cm to less than 10
cm (possibly in the form of pieces/slabs or a sheet): it is necessary to check
the specification: 1., 3., 5, 6; number of test samples: 12 whole pieces or not
less than 0.25 m2.
- For tiles whose edge is 10 cm to less than 20
cm (possibly in the form of pieces/slabs or a sheet): it is necessary to check
the specification: 1., 3., 4., 5, 6.; number of test samples: 20 whole pieces
or not less than 0.36 m2.
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- The edge size shall be the maximum one.
APPENDIX D -
Natural stone facing slabs
No.
Specification
Required value
Test method
Sampling guidelines
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Granite stone group
Quartz stone group
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Limestone group
Slate group (**)
Other group
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I
II
Serpentine
Travertine
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I
II
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I
II
I
II
III
Ia
Ib
IIa
IIb
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II
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1
Water absorption,
%, not more than
0,4
1
3
8
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3
7,5
12
0,25
-
-
0,2
0,6
2,5
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7 test samples (100 x x200) mm.
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2
Modulus of rupture,
MPa, not less than:
10,3
13,9
6,9
2,4
6,9
6,9
3,4
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50
62
38
50
6,9
-
TCVN 6415- 4 :2016
(ISO 10545- 4:2014)
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3
Resistance to
surface abrasion Ha, not less than (*)
25
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8
2
10
10
8
10
10
TCVN 4732:2016
5 test samples, (47x47) mm
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(*) Only
applicable to stones with flat surfaces
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No.
Specification
Required value
Test method
Sampling
guidelines
W1 >
2,0
2,0 ≥ W2
> 0,5
0,5 ≥ W3 >
0,05
W4 ≤
0,05
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1
Water absorption, % mass fraction
W1 >
2,0
2,0 ≥ W2
> 0,5
0,5 ≥ W3 >
0,05
W4 ≤
0,05
BSEN 14617- 1:2013
06 test samples, (47x47) mm in size and (10 ± 2)
mm in thickness
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Modulus of rupture, MPa
F1 <
12,0
12,0 ≤ F2
< 25,0
25,0 ≤ F3
< 40,0
F4 ≥
40,0
BSEN 14617- 2:2016
10 test samples, minimum size: at least (200 ±
0.3) mm in length;
(50 ± 0.3) mm in width and not greater than
length.
3
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A1 >
36,5
36,5 ≥ A2
> 33,0
33,0 ≥ A3
> 29,0
A4 ≤
29,0
BSEN 14617- 4:2012
06 test samples, at least (100x70) mm in size
4
Chemical strength
C1
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C3
C4
BSEN 14617-
10:2012
04 test samples, at least (300x300) mm in size
APPENDIX F - Clay
bricks
No.
Specification
Required value
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Sampling
guidelines
Solid brick
Hollow brick
1.
Compressive and bending strength
Table F
TCVN 6355-2:2009
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Take 15 random
bricks from each lot
2.
Water absorption, %, not more than
16
16
TCVN 6355-4:2009
Table F -
Compressive and bending strength of clay bricks
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Hollow brick
Solid brick
Marking
Compressive
strength
Bending
strength
Marking
Compressive
strength
Bending
strength
Medium for 5 test
samples
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Medium for 5 test
samples
Minimum for 1 test
sample
Medium for 5 test
samples
Minimum for 1 test
sample
Medium for 5 test
samples
Minimum for 1 test
sample
M 125
12,5
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1,8
0,9
M 200
20
15
3,4
1,7
M 100
10,0
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1,6
0,8
M 150
15
12,5
2,8
1,4
M 75
7,5
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1,4
0,7
M 125
12,5
10
2,5
1,2
M 50
5,0
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1,4
0,7
M 100
10
7,5
2,2
1,1
M 35
3,5
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-
-
M 75
7,5
5
1,8
0,9
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M 50
5
3,5
1,6
0,8
APPENDIX G -
Concrete bricks
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Specification
Required value
Test method
Sampling
guidelines
1.
Compression strength
Table G
TCVN 6477:2016
Take 10 random
bricks from each lot
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Water permeability
3.
Water absorption
TCVN 6355-4:2009
Table G -
Compression strength, water absorption and water permeability of concrete
bricks
Marking
Compression strength,
MPa
Water
absorption, % weight, not more than
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Medium for
three test samples, not less than
Minimum for
one test sample
Unplastered
bricks
Plastered
bricks
M 3,5
3,5
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14
0,35
16
M 5,0
5,0
4,5
M 7,5
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6,7
12
M 10,0
10,0
9,0
M 12,5
12,5
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M 15,0
15,0
13,5
M 20,0
20,0
18,0
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APPENDIX H -
Autoclaved aerated concrete products
No.
Specification
Required value
Test method
Sampling
guidelines
1.
Compressive strength
Table H
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Take 15 random
bricks from each lot
2.
Dry bulk density
3.
Drying shrinkage, mm/m, not more than
0,2
Table H -
Compressive strength and dry bulk density
Compressive
strength class
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Average
compressive strength
MPa, not less than
Dry bulk
density, kg/m3
Nominal
Average
B2
2,5
400
351 to 450
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451 to 550
B3
3,5
500
451 to 550
600
551 to 650
B4
5,0
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551 to 650
700
651 to 750
800
751 to 850
B6
7,5
700
651 to 750
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751 to 850
900
851 to 950
B8
10,0
800
751 to 850
900
851 to 950
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951 to 1050
APPENDIX I -
Concrete tiles
No.
Specification
Required value
Test method
Sampling
guidelines
1.
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Table I
TCVN 4313
Take 10 random
bricks from each lot
2.
Water permeability
Impermeable
Table I - Minimum
breaking strength Fmin of tiles
Property
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Tile without
groove
Undulated
Flat
Curve height
d > 20 mm
20 mm ≥ d ≥ 5 mm
d < 5 mm
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≥ 300
≤ 200
≥ 300
≤ 200
≥ 300
≤ 200
Fmin
(N)
2000
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1400
1000
1200
800
550
APPENDIX K -
Clear float glass
No.
Specification
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Test method
Sampling
guidelines
1.
Thickness tolerance
Table K.1.
TCVN 7219:2018
03 test samples ≥
(610x610) mm
2.
Visible defects
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3.
Light transmittance
Table K.1.
TCVN 7737:2007
Table K.1 -
Nominal thickness, permissible dimensional tolerance and light
transmittance
Type of glass
Nominal
thickness, mm
Thickness
tolerance, mm
Light
transmittance, % not less than:
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2,0
± 0,20
88
2,5
2,5
3
3,0
87
4
...
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85
5
5,0
84
6
6,0
83
6,5
6,5
...
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8,0
±0,30
82
10
10,0
80
12
12,0
78
...
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15,0
±0,50
75
19
19,0
± 1,00
70
22
22,0
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25
25,0
67
Table K.2 -
Quality criteria for visual defects
No.
Type of defect
Permissible
limit
1.
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Diameter of bubble, mm
0,5 ≤ D(2)
<1,0
1,0 ≤ D <2,0
2,0 ≤ D < 3,0
D ≥ 3,0
Permissible number of bubbles(4)
2,2 x S(3)
0,88 x S
0,44 x S
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2.
Foreign matter(1)
Diameter of foreign matter, mm
0,5 ≤ D < 1,0
1,0 ≤ D <2,0
2,0 ≤ D < 3,0
D ≥ 3,0
Permissible number of foreign matters(4)
1,1 x S
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0,22 x S
0
3.
Concentration of bubbles and foreign matters(4)
As for bubbles and
foreign materials of ≥ 1 mm in diameter, the distance between two bubbles,
two foreign materials, or bubble and foreign material shall be ≥ 15 cm.
4.
Linear or zonal defect(5)
There shall be no
defect distinguished visually.
5.
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Such defects on
cut side as chipping, indentation, protrusion, slicing off or corners on or
off shall be that the deviation from the cutting line when seeing
perpendicularly to the surface of plate glass is not more than the nominal
value of thickness of plate glass and not more than 10 mm.
6.
Bow, %, not more than
0,30
7.
Optical distortion (angle of distortion),
degree, not less than
- 2 mm; 2,5 mm in thickness
40
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45
- ≥ 4 mm in thickness
50
Notes:
(1) Bubbles are pocket-like
defects that contain gas. Foreign materials are granular defects that do not
contain gas;
(2) D is diameter of bubble or
foreign matter. The values of diameter of bubble and foreign material shall
be the largest external diameter;
(3) S is the area of the plate
glass expressed as the unit of m² and around off down to the second decimal
place;
(4) The permissible number of
bubbles and foreign materials shall be the integer value obtained by
discarding the decimal fraction of the value obtained by multiplying S by the
coefficient;
(5) Linear and zonal defects are
those which exist in the inside or on the surface of the glass, such as
crack, scratch, non-uniformity of base, etc.
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APPENDIX l - Heat
treated glass
No.
Specification
Required value
Test method
Sampling
guidelines
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Thickness tolerance
Table L
TCVN 7219:2018
3 test samples ≥
(610x610) mm
2.
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There shall be no
visible cracks, holes or scratches on the surface of the glass plate
3.
Surface stress of plate, MPa
TCVN 8261:2009
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- Fully tempered glass
not less than 69
- Heat strengthened glass
From 24 to less
than 69
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4.
Sample breaking strength
(Not applicable to heat strengthened
glass)
TCVN 7455:2013
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15
+ ≥ 5 mm in thickness, number of fragments, not
less than
40
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Unit: millimeter
Type of glass
Nominal
thickness
Permissible
tolerance
Type of glass
Nominal
thickness
Permissible
tolerance
Patterned heat
treated glass *
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±0,3
4
5
±0,4
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6
±0,5
8
±0,8
10
Float heat treated
glass
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4
5
6
±0,2
Solar reflective
heat treated glass
3
4
5
6
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8
10
±0,3
8
10
±0,3
12
...
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±0,5
12
15
±0,5
19
± 1,0
19
± 1,0
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25
* The thickness of patterned heat treated
glass is measured from the highest point of the patterned side to the
opposite side