Thông tư 10/2017/TT-BXD quy chuẩn kỹ thuật quốc gia về sản phẩm hàng hóa vật liệu xây dựng

• Số hiệu: 10/2017/TT-BXD
• Loại văn bản: Thông tư
• Nơi ban hành: Bộ Xây dựng
• Người ký: Bùi Phạm Khánh
• Ngày ban hành: 29/09/2017

THE MINISTRY OF CONSTRUCTION -------	SOCIALIST REPUBLIC OF VIETNAM Independence - Freedom - Happiness ---------------
No. 10/2017/TT-BXD	Hanoi, September 29, 2017

CIRCULAR

PROMULGATING NATIONAL TECHNICAL REGULATIONS ON PRODUCTS AND GOODS OF BUILDING MATERIALS AND GUIDELINES FOR CERTIFICATE OF CONFORMITY AND DECLARATION OF CONFORMITY

Pursuant to the Law on Technical regulations and standards dated June 29, 2006;

Pursuant to the Law on Product and goods quality dated November 21, 2007;

Pursuant to the Government's Decree No. 81/2017/ND-CP on functions, tasks, powers and organizational structure of the Ministry of Construction;

Pursuant to the Government's Decree No. 127/2007/ND-CP dated August 1, 2007 on guidelines for the Law on Technical regulations and standards;

Pursuant to the Government's Decree No. 132/2008/ND-CP dated December 31, 2008, detailing the implementation of a number of articles of the Law on Product and Goods Quality;

Pursuant to the Government's Decree No. 107/2016/ND-CP July 1, 2016 on conditions for provision of conformity assessment services;

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The Minister of Construction promulgates a Circular promulgating National Technical Regulations on products and goods of building materials QCVN 16:2017/BXD, and guidelines for certificate of conformity and declaration of conformity.

Article 1. Scope

1. This Circular promulgates National Technical Regulations on products and goods of building materials QCVN 16:2017/BXD.

2. This Circular provides guidelines for certificate of conformity and declaration of conformity on products and goods of building materials (hereinafter referred to as building materials) prescribed in QCVN 16:2017/BXD that are domestically manufactured or imported prior being sold on the market and used in construction works.

Article 2. Regulated entities

1. Manufacturers, importers, traders, and users of building materials.

2. Certification bodies that assess and grant certificates of conformity to building materials.

3. Regulatory agencies responsible for quality of building materials.

Article 3. Interpretation of terms

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2. Declaration of conformity means the manufacturer/product owner self-declaring that building materials are conformable with National Technical Regulation QCVN 16:2017/BXD.

3. Certification body means a body competent to assess and certify that building materials are conformable with National Technical Regulation QCVN 16:2017/BXD.  The certification body must obtain a certification of operation registration as prescribed in the Government's Decree No. 107/2016/ND-CP July 1, 2016 on conditions for provision of conformity assessment services (hereinafter referred to as Decree No. 107/2016/ND-CP) and designated by the Ministry of Construction.

Article 4. Certification of conformity

1. Certification of conformity of building materials that are domestically manufactured shall be applied with either the fifth method or the seventh method specified in Part 3 QCVN 16:2017/BXD.

2. Certification of conformity of building materials that are imported shall be applied with one of the first, fifth or seventh methods specified in Part 3 QCVN 16:2017/BXD.

Article 5. Declaration of conformity

1. Rules for declaration of conformity

a) The declaration of conformity must be made according to the assessment and certification of certification body;

b) If the conformity assessment results performed by a foreign conformity assessment body is employed for certification and declaration of conformity, such body must be recognized as per the law.

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2. Application for registration of the declaration of conformity

a) A declaration of conformity using form No. 2 CBHC/HQ prescribed in Appendix III Circular No. 28/2012/TT-BKHCN dated December 12, 12 of the Minister of Science and Technology on declaration of conformity and methods of assessment conformity with technical regulations and standards (hereinafter referred to as Circular No. 28/2012/TT-BKHCN) and addition to Clause 7 Article 1 Circular No. 02/2017/TT-BKHCN dated March 31, 2017 of the Minister of Science and Technology on amendments to Circular No. 28/2012/TT-BKHCN.

b) Certified true copy of certificate of conformity enclosed with the specimen of conformity marking issued by the certification body.

3. Declaration of conformity procedures

a) The manufacturer/product owner shall send an application for registration of the declaration of conformity directly or by post as prescribed in Clause 2 hereof to Department of Construction at province or central-affiliated city (hereinafter referred to as province) where the manufacturer/product owner has registered its business.

b) If the application for registration of the declaration of conformity is adequate as prescribed in Clause 2 hereof, within 5 working days from the date on which the application is received, Department of Construction shall verify if it is eligible.

c) If the application is eligible, Department of Construction shall issue an acknowledgement of application to the manufacturer/product owner (using form No. 3. TBTNHS prescribed in Appendix III of Circular No. 28/2012/TT-BKHCN.

d) If the application is not eligible, it will be rejected and Department of Construction will provide the manufacturer/product owner with explanation.

4. Acknowledgement of application

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b) Upon receipt of acknowledgement of application, the product may be sold on the market or used in construction works.

Article 6. Designation of certification bodies

1. Certification bodies of building materials shall be designated in accordance with Circular No. 09/2009/TT-BKHCN dated April 8, 2009 of the Minister of Science and Technology on guidelines for requirements and procedures for designation of conformity assessment bodies (hereinafter referred to as Circular No. 09/2009/TT-BKHCN) and Circular No. 11/2011/TT-BKHCN dated June 30, 2011 of the Minister of Science and Technology on amendments to Circular No. 09/2009/TT-BKHCN (hereinafter referred to as Circular No. 11/2011/TT-BKHCN).

2. Any conformity assessment body prescribed in Decree No. 107/2016/ND-CP has competence to test building materials in accordance with QCVN 16:2017/BXD may submit an application for designation of certification body to the Ministry of Construction as prescribed in Clause 1 of this Article to perform the certification of conformity activities.

Article 7. Responsibilities of bodies in conjunction with certification of conformity and declaration of conformity

1. The Department of Science, Technology and Environment affiliated to the Ministry of Construction shall act as central body in terms of measurement and standardization as follows:

a) Provide guidelines for certification of conformity activities.

b) Formulate, examine, and amend national technical regulations on products and goods of building materials.

c) Inspect and assess competence of potential bodies and request the Ministry of Construction to designate and announce certification bodies.

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dd) Cooperate with Department of Building Materials in monitoring, reporting, and inspecting the declaration of conformity activities of provinces.

2. Department of Building Materials affiliated to the Ministry of Construction shall:

a) Cooperate with Department of Science, Technology and Environment in formulating, examining, and amending national technical regulations on products and goods of building materials;

b) Cooperate with the Department of Science, Technology and Environment in inspecting and assessing potential bodies and requesting the Ministry of Construction to designate and announce certification bodies;

c) Inspect operation of certification bodies.

d) Monitor, report, and inspect the declaration of conformity activities of provinces.

3. Departments of Construction of provinces shall:

a) Receive applications for registration of the declaration of conformity on building materials.

b) Manage and inspect certification of conformity and declaration of conformity on building materials in provinces.

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4. Each certification body shall:

a) Exercise rights and fulfill obligations as prescribed in Articles 19 and 20 of the Law on Product and goods quality. If the certification body violates this Circular, Circular No. 09/2009/TT-BKHCN or Circular No. 11/2011/TT-BKHCN or Article 20 of the Law on Product and goods quality, it shall, depending on the nature and severity, be liable for warnings or have its decision on designation suspended or revoked.

b) Send reports on certification of conformity to the Ministry of Construction on the biannual or ad-hoc basis.

c) Notify the Ministry of Construction of changes that affect competence to perform certification of conformity that has been registered within 15 days from the date on which the change occurs.

5. The manufacturer/product owner shall:

a) Declare accurate types of building materials in accordance with the list of products prescribed in Table 1 Part 2 of QCVN 16:2017/BXD. If the type of product cannot be identified, the cooperation of certification body should be required to identify the product.

b) Each importer of building materials must provide customs authority at checkpoint with an application for registration of certification of conformity bearing certification of a certification body designated by the Ministry of Construction with the purpose of clearance of goods.

c) Publish its declaration of conformity on means of media to ease the users’ accessibility.

d) Remain and take responsibility for the conformity of building materials referred to in a declaration of conformity; keep the control of quality, testing and periodical supervision.

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e) If the inconformity of building materials referred to in a declaration of conformity whilst the products are circulated or used:

- Promptly send a notice of nonconformity to Department of Construction of province where the business is registered; suspend the discharge of products from factory and recovery of non-conformable products being sold on the market if the products’ nonconformity poses high risks of unsafety to users; suspend operation and utilization of relevant services and environment.

- Adopt remedial measures for nonconformities; send notices of remedy results to Department of Construction of province where the business is registered before the products are kept being sold on the market or used in construction works.

g) Make and keep applications for registration of the declaration of conformity, including original copies, copies of documents prescribed in Clause 2 Article 5 and assessment document issued by certification body as the basis for inspection of regulatory agencies.

h) Provide documents justifying the conformity of products with QCVN 16:2017/BXD upon the request of competent authorities.

i) Provide certified true copy of acknowledgement of application and certificate of conformity for product trader and user or enable product trader and user to assess origin and relevant information about products in accordance with QCVN 16:2017/BXD.

k) Re-declare any change to contents of registered application or to functions, usage, and characteristics of building materials referred to in the declaration of conformity.

6. Trader and user of building materials prescribed in QCVN 16:2017/BXD must have a/an copy or original of certificate of conformity issued by the certification body and declaration of conformity made by the manufacturer/product owner.

Article 8. Transitional regulations

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2. A designated certification body of building materials in accordance with QCVN 16:2014/BXD may keep performing its duties until this Circular expires; if its decision on designation expires after the issuance of this Circular, an extension may be granted provided that it does not go beyond the effective date of this Circular.

3. A body that has held a designation of certification of conformity of building materials in accordance with QCVN 16:2014/BXD, according to its needs and competence in accordance with QCVN 16:2017/BXD, may submit an application as prescribed in Article 6 hereof to the Ministry of Construction for consideration.

Article 9. Entry in force

1. This Circular comes into force as of January 1, 2018.

2. The following Circulars expire from the effective date of this Circular:

- Circular No. 11/2009/TT-BXD dated June 18, 2009 of the Minister of Construction on quality control of building glasses.

- Circular No. 11/2010/TT-BXD dated January 18, 2009 of the Minister of Construction on quality control of commercial clinker and portland cement.

- Circular No. 14/2010/TT-BXD dated August 20, 2010 of the Minister of Construction on quality control of ceramic tiles.

- Circular No. 21/2010/TT-BXD dated November 16, 2010 of the Minister of Construction on guidelines for certification of conformity and declaration of conformity of building materials.

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Article 10. Implementation

Ministers, Heads of ministerial-level agencies, Governmental agencies, Presidents of People’s Committees of provinces and relevant entities shall implement this Circular.

Difficulties that arise during the implementation of this Circular should be reported to the Ministry of Construction for consideration./.

PP. MINISTER
DEPUTY MINISTER




Bui Pham Khanh

QCVN 16:2017/BXD

NATIONAL TECHNICAL REGULATIONS ON PRODUCTS, GOODS OF BUILDING MATERIALS

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QCVN 16:2017/BXD replaces QCVN 16:2014/BXD.

QCVN 16:2017/BXD is drafted by Vietnam Institute for Building Materials, approved by the Ministry of Science and Technology, submitted by the Department of Science Technology and Environment and promulgated together with the Circular No. 10/2017/TT-BXD dated March 29, 2017 of the Minister of Construction.

NATIONAL TECHNICAL REGULATIONS ON PRODUCTS, GOODS OF BUILDING MATERIALS

1.1. Scope

1.1.1. This document specifies technical requirements and quality control requirements to be satisfied by products, goods of building materials which are provided in Table 1, Part 2, classified as category 2 as prescribed by the Law on Product and Goods Quality (hereinafter referred to as “products, goods of building materials”) and are produced domestically, imported, traded and sold on the market and used in construction works within Vietnam's territory.

1.1.2. This document shall not apply to products, goods of building materials imported in the form of samplings, samples, used for trade fairs and exhibitions; temporary imports, goods in transit.

1.2. Definitions

For the purposes of this document, the terms below shall be construed as follows:

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1.2.2. “cement” means a finely hydraulic binder, which, when mixed with water, forms a paste that sets and hardens both in air and under water by means of chemical reactions to form a rock-like material.

1.2.3. “cement and concrete admixtures” mean natural or artificial inorganic materials in a fine, granulated state, which are used in cement grinding or concrete mixture for the purpose of improving the properties of the cement, particle size distribution and structure of cement rock and concrete.

1.2.4. “glass for construction” means types of glass used and installed in construction works.

1.2.5. “tiles and stone slabs” mean natural or manmade sheets of brick or stone whose edges or surface is finished or unfinished. These products serve purposes of cladding or paving for construction works.

1.2.6. “clay brick” is made from clay minerals (possibly with admixtures) by extrusion and burning at a suitable temperature.

1.2.7. “concrete brick” is made from concrete blend composed of cement, aggregate and water with or without mineral and chemical admixtures.

1.2.8. “foam concrete and non-autoclaved aerated concrete” mean foam concrete or non-autoclaved air-cured aerated concrete made from Portland cement, water, foaming agent or aerated agent with or without fine aggregate, active mineral and chemical admixtures.

“foam concrete and non-autoclaved aerated concrete products" mean the products in the form of blocks or small plates used for the construction of walls and partitions for construction works, made from foam concrete or non-autoclaved aerated concrete.

1.2.9. “autoclaved aerated concrete” means hollow lightweight concrete made from the mixtures composed of binder, high silicon dioxide content in fine powder form, aerated agent and water; cured in autoclave high temperature - humidity environment.

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1.2.10. “sand for construction” means a mixture of small aggregate particles of from 0.14 mm to 5 mm. Sand for construction may be natural sand, crushed sand and mixtures of natural and crushed sand.

“natural sand” means a mixture of small aggregate particles produced by the weathering of natural rock.

“crushed sand” means a mixture of aggregate particles smaller than 5 mm that are formed by the mashing and/or crushing of natural solid rocks.

1.2.11. “wall emulsion paint” means the dispersion paint or water-soluble paint used to decorate buildings.

1.2.12. “Volatile Organic Compounds (VOC)” means organic chemicals in solid and/or liquid form, which can evaporate naturally under atmospheric pressure at ordinary temperature and pose risks of harmful effects on human and environment.

1.2.13. “batch” combines one type of products or goods of building materials having similar specifications and produced at once through one production line.

1.2.14. “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 entity at one location and are distributed and sold on the market.

1.12.15. “representative sample of products or goods of building materials” means a sample representing a specific type of product or good manufactured in similar design, under similar conditions and with similar type of material.

1.2.16. “representative sample of batch and lot” means 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.

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1.3.1. Products, goods of building materials must remain safe during their transportation, storage and preservation, with reasonable and right-purpose use.

1.3.2. Producers and importers must accurately declare types of products, goods of building materials in accordance with product list in Table 1, Part 2 of this document. Otherwise, it is required to coordinate with conformity assessment authorities to identify the types of products.  Product names provided in Table 1, Part 2 are made in compliance with national standards (TCVN) or international standards.

1.3.3. Products, goods of building materials listed in Table 1, Part 2, while being sold on the market, must have the certificate of conformity and certificate of submission of declaration of conformity of the Department of Construction of the province where organizations and individuals register business. The conformity mark shall be affixed directly to a product, or to its package, or to an affixed label or to the product’s quality certificate and technical specification.

1.4. Normative references

The following referenced documents are indispensable for the application of this document. Revisions to the standards, when adopted, shall prevail.

1.4.1. Cement clinker, cement, cement and concrete admixtures

TCVN 141:2008, Portland cement - Methods of chemical analysis

TCVN 2682:2009, Portland cements - Specifications

TCVN 4315:2007, Granulated blast furnace slag for cement production

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TCVN 6017:2015, Cements - Test methods - Determination of setting time and soundness

TCVN 6067:2004, Sulphate resisting portland cement - Technical requirements

TCVN 6260:2009, Portland blended cement - Specifications

TCVN 6882:2016, Mineral admixtures for cement

TCVN 7711:2013, Sulfate resistant blended portland cements

TCVN 7713:2007, Cement – Determination of length change of hydraulic cement mortars exposed to a sulfate solution

TCVN 8262:2009, Fly ash - Methods of chemical analysis

TCVN 8826:2011, Chemical admixtures for concrete

TCVN 9339:2012, Concrete and mortar - Method for determination of pH by pH meter

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TCVN 10302:2014, Activity admixture - Fly ash for concrete, mortar and cement

TCVN 11833:2017, Phosphogypsum for cement production

1.4.2. Glass for construction

TCVN 7218:2002, Sheet glass for construction - Clear float glass - Specifications

TCVN 7219:2002, Sheet glass for construction - Method of test

TCVN 7528:2005, Glass in building – Solar reflective coated glass

TCVN 7529:2005, Glass in building - Heat absorbing tint glass

TCVN 7624:2007, Mirrors - Mirrors from silver-coated float glass by wet-chemical technology - Specifications

TCVN 7625:2007, Mirrors - Method of test

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1.4.3. Tiles and stone slabs

TCVN 4732:2016, Natural stone facing slabs

TCVN 6415-3:2016, Ceramic floor and wall tiles - Test methods - Part 3: Determination of water absorption, apparent porosity, apparent relative density and bulk density

TCVN 6415-4:2016, Ceramic floor and wall tiles - Test methods - Part 4: Determination of modulus of rupture and breaking strength

TCVN 6415-6:2016, Ceramic floor and wall tiles - Test methods - Part 6: Determination of resistance to deep abrasion for unglazed tiles

TCVN 6415-7:2016, Ceramic floor and wall tiles - Test methods - Part 1: Determination of resistance to surface abrasion for glazed tiles

TCVN 6415-8:2016, Ceramic floor and wall tiles - Test methods - Part 8: Determination of linear thermal expansion

TCVN 6415-10:2016, Ceramic floor and wall tiles - Test methods - Part 10: Determination of linear thermal expansion

TCVN 7483:2005, Extruded ceramic floor and wall tiles - Specifications

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1.4.4. Masonry materials

TCVN 1450:2009, Hollow clay bricks

TCVN 1451:1998, Solid clay bricks

TCVN 6355:2009, Bricks  - Test methods

TCVN 6477:2016, Concrete bricks

TCVN 7959:2017, Lightweight concrete - Autoclaved aerated concrete product - Technical requirements

TCVN 9029:2017, Lightweight concrete - Foam concrete and non-autoclaved aerated concrete products - Technical requirements

TCVN 9030:2017, Lightweight concrete  - Test methods

1.4.5. Sand for construction

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TCVN 7572-2:2006, Aggregates for concrete and mortar – Test methods - Part 2: Determination of partical zise 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 9205:2012, Crushed sand for concrete and mortar

1.4.6. Other building materials

TCVN 197-1:2014, Metallic materials - Tensile testing - Part 1: Method of test at room temperature

TCVN 2090:2007, Paints, varnishes and raw materials for paints and varnishes − Sampling

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TCVN 4435:2000, Asbestos-cement corrugated sheets - Method of test

TCVN 5839:1994, Aluminium and aluminium alloy - Rods, bars, tubes and profiles - Mechanical properties

TCVN 5910:1995, Wrought aluminium and aluminium alloys - Chemical composition and forms of products

TCVN 6148:2007, Thermoplastics pipes – Longitudinal reversion – Test method and parameters

TCVN 6149-1:2007, 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, Thermoplastics pipes, fittings and assemblies for the conveyance of fluids - Determination of the resistance to internal pressure – Part 2: Preparation of pipe test pieces

TCVN 7305-2:2008, Plastics piping systems – Polyethylene (PE) pipes and fittings for water supply – Part 2: Pipes

TCVN 7434-1:2004, Thermoplatics pipes - Determination of tensile properties – Part 1: General test method

TCVN 7434-2:2004, Thermoplatics pipes - Determination of tensile properties – Part 2: Pipes made of unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C), and high- impact poly(vinyl chloride)(PVC-Hl)

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TCVN 8256:2009, Gypsum boards - Specifications

TCVN 8257-3:2009, Gypsum boards - Test methods - Part 3: Determination of flexural strength

TCVN 8257-5:2009, Gypsum boards - Test methods - Part 5: Determination of humidified deflection

TCVN 8257-6:2009, Gypsum boards - Test methods - Part 6: Determination of water absorption

TCVN 8491-2:2011, 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 8652:2012, Wall emulision paints - Specifications

TCVN 8653-4:2012, Wall emulsion paints - Test methods - Part 4: Determination of scrub resistance of paint film

TCVN 8653-5:2012, Wall emulsion paints - Test methods - Part 5: Determination of heat sock resistance of paint film

TCVN 9188:2012, Chrysotile asbestos for asbestos - cement corrugated sheets

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ASTM C471M-16a, Standard test methods for chemical analysis of gypsum and gypsum products

ASTM E1251-11, Standard test method for analysis of Aluminum and Aluminum Alloys by spark atomic emission spectrometry

BS EN 477, Unplasticized polyvinylchloride (PVC-U) profiles for the fabrication of windows and doors. Determination of the resistance to impact of main profiles by falling mass

BS EN 478, Unplasticized polyvinylchloride (PVC-U) profiles for the fabrication of windows and doors. Appearance after exposure at 150°C. Test method

BS EN 479, Unplasticized polyvinylchloride (PVC-U) profiles for the fabrication of windows and doors. Determination of heat reversion

BS EN 12608-1:2016, Unplasticized poly(vinyl chloride) (PVC-U) profiles for the fabrication of windows and doors. Classification, requirements and test methods. Non-coated PVC-U profiles with light coloured surfaces

ISO 9854-1:1994, Thermoplastics pipes for the transport of fluids - Determination of pendulum impact strength by the Charpy method - Part 1: General test method

ISO 9854-2:1994, Thermoplastics pipes for the transport of fluids - Determination of pendulum impact strength by the Charpy method - Part 2: Test conditions for pipes of various materials

PART 2. TECHNICAL REQUIREMENTS

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2.2. Amiante amphibole (or amphibole) must not be used for making products of building materials. The following five types of amiante amphibole are prohibited:

- Amosite (brown asbestos): Fibrous, brown, chemical formula: 5.5FeO.1.5MgO.8SiO₂.H₂O;

- Crocidolite (blue asbestos): Fibrous, blue, chemical formula: 3H₂O.2Na₂O.6(Fe₂,Mg)O.2Fe₂O₃.17SiO₂;

- Anthophilite: Fibrous, colored, chemical formula: 7(Mg,Fe)O.8SiO₂(OH)₂;

- Actinolite: Fibrous, colored, chemical formula: 2CaO.4MgO.FeO.8SiO₂.H₂O;

- Tremolite: Fibrous, colored, chemical formula: 2CaO.5MgO.8SiO₂.H₂O.

2.3. Products, goods of building materials must have their technical values examined according to the test methods provided in Table 1 and satisfy the requirement in this table.

Table 1 - List of potentially unsafe products, goods of building materials

No.

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Entry

Required value

Test method

Sampling

HS Code

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Cement, cement and concrete admixtures

1

Portland cement

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Table 1 of TCVN 2682:2009

TCVN 6016:2011

Take individual samples from 10 different positions in the lot. Mix individual samples and take a mixed sample weighed at least 10 kg.

2523.29.90

2. Volume stability by Le Chatelier’s principle, mm, not more than

10.0

TCVN 6017:2015

3. Content of anhydrous sulphuric acid (SO₃), %, not more than

3.5

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4. Content of magnesium oxide (MgO), %, not more than

5.0

5. Loss on ignition, %, not more than

3.0

6. Insoluble residue content, %, not more than

1.5

2

Portland cement blend

1. Compressive strength

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TCVN 6016:2011

Take individual samples from 10 different positions in the lot. Mix individual samples and take a mixed sample weighed at least 10 kg.

2523.90.00

2. Volume stability by Le Chatelier’s principle, mm, not more than

10.0

TCVN 6017:2015

3. Content of anhydrous sulphuric acid (SO₃), %, not more than

3.5

TCVN 141:2008

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Sulfate-resisting Portland cement

1. Compressive strength

Table 2 of TCVN 6067:2004

TCVN 6016:2011

Take individual samples from 10 different positions in the lot. Mix individual samples and take a mixed sample weighed at least 10 kg.

2523.90.00

2. Volume stability by Le Chatelier’s principle, mm, not more than

10.0

TCVN 6017:2015

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3.0

TCVN 141:2008, content of C₃A and C₄AF determined as per Table 1, TCVN 6067:2004

4. Content of magnesium oxide (MgO), %, not more than

5.0

5. Content of anhydrous sulphuric acid (SO₃), %, not more than

2.5

6. Insoluble residue content, %, not more than

1.0

7. Content of C₃A, %, not more than

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8. Total content (C₄AF+ 2C₃A), %, not more than

25.0

4

Sulfate-resisting Portland cement blend

1. Compressive strength

As per TCVN 7711:2013

As per TCVN 7711:2013

Take individual samples from 10 different positions in the lot. Mix individual samples and take a mixed sample size weighed at least 10 kg.

2523.90.00

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10

TCVN 6017:2015

3. Sulfate resistance

Table 1 of TCVN 7711:2013

TCVN 7713:2007

5

Granulated blast furnace slag for cement production

1. Alkali factor, not lower than

1.6

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Take at least 4 kg apiece from 10 different positions in the lot

2. Strength activity index, %, not lower than:

TCVN 4315:2007

- 7 days

55.0

- 28 days

75.0

3. Content of magnesium oxide (MgO), %, not more than

10.0

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6

Fly ash for concrete, mortar and cement

Fly ash for concrete and mortar:

Take at least 2 kg apiece from 5 different positions in the lot. Use quad-split method to take a mixed sample

1. Content of free calcium oxide (CaO_free)

Table 1 of TCVN 10302:2014

TCVN 141:2008

2. Content of sulfur and sulfur compounds as equivalent SO₃

3. Loss on ignition

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4. Content of deleterious alkali (soluble alkali)

TCVN 6882:2016

5. Content of chloride ion (Cl^-)

TCVN 8826:2011

6. Natural radioactivity, Aeff

Appendix A of TCVN 10302:2014

Fly ash for cement:

1. Loss on ignition

Table 2 of TCVN 10302:2014

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2. Content of SO₃

TCVN 141:2008

3. Content of free calcium oxide (CaO_free)

4. Content of deleterious alkali (soluble alkali)

TCVN 6882:2016

5. Strength activity index

TCVN 6882:2016

6. Natural radioactivity, Aeff

Appendix A of TCVN 10302:2014

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Phosphogypsum for cement production

1. Content of CaSO₄.2H₂O, %, not more than

75

TCVN 9807:2013

Take samples from at least 10 different locations in a manner that they represent the whole batch of gypsum. Mix samples evenly and use the quad-split method to take a 10-kg sample.

2. Content of soluble phosphorus pentoxide (soluble P₂O₅), %, not more than

0.1

Appendix A of TCVN 11833:2017

3. Content of total phosphorus pentoxide (total P2O5), %, not more than

...

...

...

4. Content of water-soluble fluoride (F-soluble), %, not more than

0.02

5. Content of total fluoride (F-total), %, not more than

0.6

6. pH, not less than

6.0

TCVN 9339:2012

7. Safety radioactivity index (l), not more than

1

...

...

...

8. Difference in setting time as compared to that of the control cement, hour, less than

2

TCVN 6017:2015

9. Reinforcement corrosion as compared to that of the control cement

Voltage-time curves unchangeable

Appendix B of TCVN 11833:2017

II

Glass for construction

1

...

...

...

1. Thickness variation

Table 1 of TCVN 7218:2002

TCVN 7219:2002

3 samples, size ≥ (600x600) mm

7005.21.90

2. Visible defects

Table 2 of TCVN 7218:2002

TCVN 7219:2002

3. Visible light transmission

...

...

...

TCVN 7219:2002

2

Heat-absorbing colored glass

1. Thickness variation

Table 2 of TCVN 7529:2005

TCVN 7219:2002

3 samples, size ≥ (600x600) mm

7005.21.90

2. Visible defects

...

...

...

TCVN 7219:2002

3

Reflective coated glass

1. Thickness variation and bow of the glass

Standards for production of material glass

TCVN 7219:2002

3 samples, size ≥ (600x600) mm

7005.10.90

2. Visible defects

...

...

...

TCVN 7219:2002

3. Solar energy reflectance

Table 2 of TCVN 7528:2005

TCVN 7528:2005

4. Abrasion resistance

Table 3 of TCVN 7528:2005

TCVN 7528:2005

3 samples, size ≥ (100x100) mm

4

...

...

...

1. Thickness variation

TCVN 9808:2013

TCVN 7219:2002

3 samples, size ≥ (600x600) mm

7005.10.90

2. Visible defects

Table 2 and Table 3 of TCVN 9808:2013

TCVN 9808:2013

5

...

...

...

1. Thickness variation

Table 1 of TCVN 7624:2007

TCVN 7219:2002

3 samples, size ≥ (600x600) mm

7009.91.00

2. Visible defects

Appendix A of TCVN 7218:2002

TCVN 7219:2002

3. Adhesion of paints, %, not less than

...

...

...

TCVN 7625:2007

4 samples, size at (100x100) mm

III

Floor and wall tiles, stone slabs

1

Dry pressed ceramic tiles^(a)

1. Water absorption

Table 7 of TCVN 7745:2007

TCVN 6415-3:2016

...

...

...

6907.90.10 (for unglazed products)

6908.90.11 (for glazed products)

2. Flexural strength

TCVN 6415-4:2016

3. Abrasion resistance:

- Resistance to deep abrasion (for unglazed tiles)

TCVN 6415-6:2016

- Resistance to surface abrasion (for glazed tiles)

TCVN 6415-7:2016

...

...

...

TCVN 6415-8:2016

5. Moisture expansion

TCVN 6415-10:2016

2

Extruded ceramic tiles^(a)

1. Water absorption

Table 3 of TCVN 7483:2005

TCVN 6415-3:2016

5 intact tiles

...

...

...

6908.90.11 (for glazed products)

2. Flexural strength

TCVN 6415-4:2016

3. Abrasion resistance:

- Resistance to deep abrasion (for unglazed tiles)

TCVN 6415-6:2016

- Resistance to surface abrasion (for glazed tiles)

TCVN 6415-7:2016

4. Linear thermal expansion

...

...

...

5. Moisture expansion

TCVN 6415-10:2016

3

Natural stone slabs

1. Flexural strength

Table 3 of TCVN 4732:2016

TCVN 6415-4:2016

5 samples, size at (100x200) mm

2515.12.20 (for marble)

...

...

...

2515.20.00 (for limestone)

2515.20.20 (for sandstone)

2. Abrasion resistance

TCVN 4732:2016

^(a^) Size of a batch of ceramic tiles shall not exceed 1500 m^2. For the ceramic tiles (No. 1 and 2, section III, Table 2.1), the following requirements for sampling and technical value tests need to be satisfied:

- Tiles with side length of below 2 cm (in square, rectangular or mesh-mounted forms): test in 01 technical value No 1 is required; number of samples: 12 intact tiles or minimum size of 0.25 m^2.

- Tiles with side length of from 2 to below 10 cm (in square, rectangular or mesh-mounted forms): tests in 02 technical values No 1, 4, are required; number of samples: 12 intact tiles or minimum size of 0.25 m^2.

- Tiles with side length of from 10 to below 20 cm:  tests in 04 technical values No 1, 3, 4, 5 are required; number of samples: 20 intact tiles or minimum size of 0.36 m^2.

- Tiles with side length of greater than or equal to 20 cm:  tests in 05 technical values No 1, 2, 3, 4, 5 are required; number of samples: 5 intact tiles.

...

...

...

Sand for construction

1

Natural sand for concrete and mortar

1. Particle size distribution

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

2. Levels of impurities:

- Ball clay and impurities in the form of pieces

...

...

...

Table 2 of TCVN 7570:2006

TCVN 7572-8:2006

3. Organic impurities 

Not darker than the standard color

TCVN 7572-9:2006

4. Content of chloride ion (Cl^-)^(b)

Table 3 of TCVN 7570:2006

TCVN 7572-15:2006

5. Alkali-silica reaction

...

...

...

TCVN 7572-14:2006

2

Crushed sand for concrete and mortar

1. Particle size distribution^(c)

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

2. Level of grains whose size is below 75 µm^(c)

TCVN 9205:2012

...

...

...

3. Content of chloride ion (Cl^-), not more than

Table 2 of TCVN 9205:2012

TCVN 7572-15:2006

4. Alkali-silica reaction

In innocuous range

TCVN 7572-14:2006

^(b) Aggregates whose content of Cl^- exceeds the regulated value are permissible if the total content of Cl^- from all constituents in 1 m^3 of concrete does not exceed 0.6 kg for normal reinforced concrete or 0.3 kg for prestressed reinforced concrete.

^(c) 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.

V

...

...

...

1

Clay burnt brick

1. Compressive and bending strength

Table 3 of TCVN 1451:1998

TCVN 6355-2÷3:2009

Take 15 random bricks from each lot

6904.10.00

2. Water absorption, %, not more than

16

...

...

...

2

Hollow clay brick

1. Compressive and bending strength

Table 3 of TCVN 1450:2009

TCVN 6355-2÷3:2009

Take 15 random bricks from each lot

6904.10.00

2. Water absorption, %, not more than

16

...

...

...

3. Thickness of shell and web, mm, not less than

TCVN 6355-1:2009

- Shell of void areas

10

- Web of void areas

8

3

Concrete brick

1. Compressive strength

...

...

...

TCVN 6477:2016

Take 10 random bricks from each lot

6810.11.00

2.  Water permeability

3. Water absorption

TCVN 6355-4:2009

4

Autoclaved aerated concrete product

1. Compressive strength

...

...

...

TCVN 9030:2017

Take 15 random bricks from each lot

6810.11.00

2. Dry volumetric weight

3. Drying shrinkage, mm/m, not more than

0.2

5

Foam concrete and non-autoclaved aerated concrete products

1. Compressive strength

...

...

...

TCVN 9030:2017

Take 15 random bricks from each lot

6810.11.00

2. Dry volumetric weight

3. Drying shrinkage, mm/m, not more than

2.5

VI

Other building materials

1

...

...

...

1. Permeability, hour, not less than

24

TCVN 4435:2000

Take samples from at least two positions. Take 01 full sheet apiece from each random position

6811.40.10

2. Breaking load per width of the corrugated sheets, N/m, not less than

3500

2

Chrysotile asbestos for asbestos - cement corrugated sheets

...

...

...

Chrysotile asbestos not mixed with amphibole minerals

TCVN 9188:2012

Take at least 5 kg in a random way

6812.93.00

3

Gypsum board^(d)

1. Flexural strength

TCVN 8256:2009

TCVN 8257-3:2009

...

...

...

6809.11.00

2. Humidified deflection

TCVN 8256:2009

TCVN 8257-5:2009

3. Water absorption (only applicable to water-resistant gypsum; gypsum sheathing board; interior board)

TCVN 8256:2009

TCVN 8257-6:2009

4. Volatile Sulfur Compound (Orthorhombic cyclooctasulfur - S₈), ppm, not more than

10

...

...

...

4

Wall emulision paints

1. Adhesion, not exceeding

Class 1

TCVN 2097:2015

Take samples as per TCVN 2090:2007 to form at least 2 liters of mixed sample.

3209.10.90

2. Scrub resistance, cycle, not less than

TCVN 8653-4:2012

...

...

...

100

- Exterior paints

1200

3. Heat shock resistance of exterior paint, cycle, not less than

50

TCVN 8653-5:2012

5

Unplasticized poly(vinyl chloride) (PVC-U) used for plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure

1. Short-term resistance to internal pressure at 20°C, 1 hour

...

...

...

TCVN 6149-1÷2:2007

3917.23.00

2. Uniaxial tensile testing:

TCVN 7434-1÷2:2004

- Maximum stress, MPa, not lower than

45

- Tensile strength at break, %, not lower than

80

6

...

...

...

1. Hydrostatic strength:

- At 20°C, 100 hour

- At 80°C, 165 hour

Table 3 of TCVN 7305-2:2008

TCVN 6149-1÷2:2007

2. Elongation at break, %, not lower than

350

TCVN 7434-1:2004

7

...

...

...

1. Resistance to internal pressure

- At 20°C, 1 hour

- At 95°C, 22 hour

Table 10 of TCVN 10097-2:2013

TCVN 6149-1÷2:2007

Take two segments at least 1.0 m in length apiece from at least 5 random positions.

2. Impact resistance, %, not more than

10

ISO 9854-1÷2^(^e^)

...

...

...

Aluminum alloy products, profiles, used for the fabrication of windows and doors

1. Tensile properties

TCVN 5839:1994

TCVN 197-1:2014

Take 01 rod at least 0.5 m in length apiece from at least three random positions.

7604.29.10

2. Elongation at break

3. Chemical composition

TCVN 5910:1995

...

...

...

9

Unplasticized poly(vinyl chloride) (PVC-U) profiles for the fabrication of windows and doors

1. Resistance to impact of main profile

BS EN 12608-1:2016 ^(e)

BS EN 477 ^(^e)

Take 4 rods 1 m in length for each type.

2. Appearance after exposure at 150°C

BS EN 478 ^(^e)

3. Heat reversion

...

...

...

4. Strength of welded corners for uPVC profiles, MPa, not less than

25

TCVN 7452-4:2004

The manufacturer provides 03 samples with size specified in TCVN 7452-4:2004

^d)) For the board whose nominal thickness is not the thickness specified in TCVN 8256: 2009, its properties are found by interpolation between the two adjacent thicknesses of the two boards.

^(e) Require values and tests done by foreign standards can adopt national standards upon the issuance of equivalent national standards or citation of such foreign standards.

PART 3. MANAGEMENT REGULATION

3.1. Certification and declaration of conformity

3.1.1. Products, goods of building materials must be granted certificates of conformity in accordance with technical requirements provided in Part 2 according to results of conformity certification by the certifying authority appointed or recognized by the Ministry of Construction.

...

...

...

- Method 1: Tests on representative sample The certificate of conformity shall be effective within 01 year and supervision shall be carried out by testing on samples upon each import. The certificate of conformity shall be only valid for the type of product and goods which are taken sample for test. This method shall apply to the imports manufactured by foreign manufacturers which have established a management control system according to ISO 9001 or equivalent.

- Method 5: Test on representative sample and assess the manufacturing process; carry out supervision by testing the sample collected from the manufacturing location or on the market in association with assessment of the manufacturing process. The certificate of conformity shall be effective within 03 year and annual supervision shall be carried out testing on 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 sustainably maintained a management control system and fulfillment of requirements for manufacturing process according to ISO 9001 or equivalent.

- Method 7: Test on and assess batches and lots. The certificate of conformity shall be only valid for batches and lots.

3.1.3. Sampling method, specification and amount of representative samples

- The representative samples shall be taken in accordance with applicable national standards in methods for collection and preparation of samples for relevant products.

- Specification and amount of representative samples for each batch are specified in Table 1, Part 2.

3.2. Packaging, labeling, transport and storage

3.2.1 All products and goods of building materials must be labeled. Product and goods shall be labeled in accordance with applicable regulations of the law on product and goods labeling.

3.2.2. Regulations on packaging (for products bagged, packaged or boxed), transport and storage shall be specified in the standard applied to such products.

...

...

...

APPENDIX

Foreword

Part 1. GENERAL PROVISIONS

1.1. Scope

1.2. Definitions

1.3. General provisions

1.4. Normative references

PART 2. TECHNICAL REQUIREMENTS

PART 3. MANAGEMENT REGULATION

...

...

...

3.2.  Packaging, labeling, transport and storage