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GB 18582-2020 PDF English

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GB 18582-2020: Limit of harmful substances of architectural wall coatings
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GB 18582: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB 18582-2020English165 Add to Cart 0-9 seconds. Auto-delivery Limit of harmful substances of architectural wall coatings Valid
GB 18582-2008English115 Add to Cart 0-9 seconds. Auto-delivery Indoor decorating and refurbishing materials -- Limit of harmful substances of interior architectural coatings Obsolete
GB 18582-2001English519 Add to Cart 4 days Indoor decorating and refurbishing materials -- Limit of harmful substances of interior architectural coatings [including MODIFICATION 1] Obsolete

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GB 18582-2020: Limit of harmful substances of architectural wall coatings

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB18582-2020
NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 87.040 G 51 Replacing GB 18582-2008, GB 24408-2009 Limit of harmful substances of architectural wall coatings Issued on. MARCH 04, 2020 Implemented on. DECEMBER 01, 2020 Issued by. State Administration for Market Regulation; Standardization Administration of PRC.

Table of Contents

Foreword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Product classification... 8 5 Requirements... 8 6 Test methods... 10 7 Inspection rules... 11 8 Packaging marks... 12 9 Implementation of standards... 12 Appendix A (Normative) Determination of moisture content - Gas chromatography... 14 References... 18

Foreword

All technical contents of this standard are mandatory. This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB 18582-2008 "Indoor decorating and refurbishing materials - Limit of harmful substances of interior architectural coatings" and GB 24408-2009 "Limit of harmful substances of exterior wall coatings". This standard is mainly based on GB 18582-2008 and integrates the contents of GB 24408-2009.Compared with GB 18582-2008, in addition to editorial changes, the main technical changes are as follows. - MODIFY the scope of the standard (see Chapter 1; Chapter 1 of GB 18582- 2008); - DELETE the normative references "GB/T 601, GB/T 1250"; CHANGE "GB/T 3186-2006" to "GB/T 3186"; CHANGE "GB/T 6682" to "GB/T 6682- 2008"; ADD normative references "GB/T 1725-2007, GB/T 8170-2008, GB15258, GB/T 23985-2009, GB/T 23986-2009, GB/T 23990-2009, GB/T 23991-2009, GB/T 23992-2009, GB/T 23993-2009, GB/T 30647-2014, GB/T 31414-2015 "(see Chapter 2; Chapter 2 of GB 18582-2008); - ADD the terms and definitions of "building", "architectural wall coating", "decorative panel coating", "effect pigment" and "application condition" (see Chapter 3); - MODIFY the definition of "volatile organic compound " and "volatile organic compound content " (see Chapter 3; Chapter 3 of GB 18582-2008); - ADD the product classification (see Chapter 4); - CHANGE the "water-based wall coating" to "internal wall coating", "water- based wall putty" to "putty", "free formaldehyde" to "formaldehyde content", "sum of benzene, toluene, ethylbenzene and xylene" to "total content of benzene series"; MODIFY the indexes of "VOC content", "formaldehyde content", "total content of benzene series"; DELETE the item and index of "lead Pb" in "soluble heavy metals"; ADD the item and index of "total Lead (Pb) content" and "total content of alkylphenol polyoxyethylene ether” (see Table 1; Table 1 of GB 18582-2008); - ADD the "exterior wall coating" and its items and indicators (see Table 1); - ADD the "decorative panel coating" and its items and indicators (see 5.2); - MODIFY the test methods for the items "VOC content", "formaldehyde content", "total content of benzene series", "soluble heavy metal content" (see 6.2; 5.2 of GB 18582-2008); - ADD the test methods for the items "total lead (Pb) content", "total content of alkylphenol polyoxyethylene ethers", "total content of glycol ethers and ether esters", "total content of halogenated hydrocarbons" (see 6.2); - MODIFY the content of the test result judgment (see 7.2; 6.2 of GB 18582- 2008); - MODIFY the contents of the packaging mark (see Chapter 8; Chapter 18 of GB 18582-2008); - DELETE the coating safety and protection (see Chapter 8 of GB 18582- 2008); - ADD the implementation of standards (see Chapter 9). This standard was proposed by and shall be under the jurisdiction of the Ministry of Industry and Information Technology of the People's Republic of China. This standard replaces the standard previously issued as follows. - GB 18582-2001, GB 18582-2008; - GB 24408-2009. Limit of harmful substances of architectural wall coatings

1 Scope

This standard stipulates the product classification, requirements, test methods, inspection rules, packaging marks, standard implementation related to the allowable limits of substances harmful to humans and the environment in architectural wall coatings. This standard is applicable to all kinds of architectural wall coatings that are directly painted on site and factory-applied to decorate and protect the inner and outer surfaces of buildings based on cement-based and other non-metallic materials (except wood materials).

2 Normative references

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this standard. GB/T 1725-2007 Paints, varnishes and plastics - Determination of non- volatile-matter content GB/T 3186 Paints varnishes and raw materials for paints and varnishes - Sampling GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods GB/T 6750-2007 Paints and varnishes - Determination of density - Pycnometer method GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 9750 Marks for package of coating products GB 15258 General rules for preparation of precautionary label for chemicals GB/T 23985-2009 Paints and varnishes - Determination of volatile organic compound (VOC) content - Difference method GB/T 23986-2009 Paints and varnishes - Determination of volatile organic compound (VOC) content - Gas-chromatographic method GB/T 23990-2009 Determination of the contents of benzene toluene ethylbenzene and xylene in coatings by gas chromatography GB/T 23991-2009 Determination of soluble harmful elements content of coatings

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Building Spaces and entities constructed with building materials, which are used for people to live and perform various activities. [GB/T 50504-2009, definition 2.1.4] Note. For example, residential building, office buildings, factories, warehouses, shopping malls, stadiums, exhibition halls, libraries, hospitals, schools, airports, bus stations, theaters, churches, etc. 3.2 Architectural wall coatings Wall coating applied to the inner and outer surfaces of buildings based on cement-based and other non-metallic materials (except wood materials). 3.3 Decorative panel coatings A type of coating applied to panel-like products (except metal materials) with functions of heat preservation and decoration on the surface of building walls. Note. The decorative panels mainly include non-asbestos calcium silicate board, non-asbestos fiber cement board, natural granite thin stone, glass, porcelain board, ceramic board, etc. 3.4 Effect pigment Usually flake pigments, in addition to providing color, which can also provide some other properties, such as iridescence (formed by light due to interference in a thin layer), optically variable color (color change, color jump, color shading) or texture. [GB/T 5206-2015, definition 2.91] 3.5 Volatile organic compound VOC Organic compounds participating in atmospheric photochemical reactions, or organic compounds determined according to relevant requirements. 3.6 Volatile organic compound content VOC content The mass of volatile organic compounds present in the coating as measured under specified conditions.

4 Product classification

This standard divides architectural wall coatings into. water-based wall coatings and decorative panel coatings. Among them, water-based wall coatings are divided into interior wall coatings, exterior wall coatings, putty; exterior wall coatings are divided into effect pigments and other categories. Decorative panel coatings are divided into water-based decorative panel coatings, solvent-based decorative panel coatings; water-based decorative panel coatings are divided into synthetic resin emulsions and other categories, whilst solvent-based

5 Requirements

5.1 The limit values of the limits of harmful substances in water-based wall coatings shall meet the requirements of Table 1. 5.2 The limit values for the limits of harmful substances in decorative panel coatings shall meet the requirements of Table 2.

6 Test methods

6.1 Sampling It performs sampling according to the provisions of GB/T 3186, or sampling according to the agreed method. The sampling volume is determined according to testing needs. 6.2 Test method 6.2.1 VOC content 6.2.1.1 Density It is performed according to the provisions of GB/T 6750-2007.The test temperature is (23 ± 0.5) °C. 6.2.1.2 VOC content in water-based wall coatings and water-based decorative panel coatings It is performed according to the provisions of GB/T 23986-2009.The chromatographic column uses medium-polarity column (6% cyanopropylphenyl / 94% polydimethylsiloxane capillary column); the label is diethyl adipate. Weigh about 1 g of the sample. The calibration compounds include but are not limited to methanol, ethanol, n-propanol, isopropanol, n-butanol, isobutanol, 6.2.2 Formaldehyde content It is performed according to the provisions of GB/T 23993-2009. 6.2.3 Total content of benzene series, benzene content, total content of toluene and xylene (including ethylbenzene) The determination of the content of benzene series in water-based wall coatings is carried out according to the provisions of method B in GB/T 23990- 2009. 6.2.4 Total lead (Pb) content It is performed according to the provisions of GB/T 30647-2014. 6.2.5 Soluble heavy metal content It is performed according to the provisions of GB/T 23991-2009. 6.2.6 Total content of alkylphenol polyoxyethylene ether It is performed according to the provisions of GB/T 31414-2015. 6.2.7 Total content of glycol ether and ether ester It is performed according to the provisions of GB/T 23986-2009.The calculation of glycol ether and ether ester content is carried out according to 10.2 in GB/T 23986-2009, then converted to milligram per kilogram (mg/kg). 6.2.8 Total content of halogenated hydrocarbons It is performed according to the provisions of GB/T 23992-2009.The calculation of the content of halogenated hydrocarbons is carried out according to 8.5.2 in GB/T 23992-2009.

7 Inspection rules

7.1 Type inspection 7.2 Determination of test results 7.2.1 Judgment of test results shall be carried out according to the comparison method of rounding-off value in GB/T 8170-2008. 7.2.2 For powdery putty (except for powdery putty diluted only with water) and decorative panel coatings, when the inspection results are reported, it shall also indicate the construction ratio of the product under the application condition. 7.2.3 When the inspection results of all items meet the requirements of this standard, the product is deemed as complying with the requirements of this standard.

8 Packaging marks

8.1 In addition to the provisions of GB/T 9750, for the product’s packaging mark, it shall be clearly indicated on the packing mark of the product which had passed the inspection according to this standard. 8.2 The biocide in the product shall be marked for hazard according to the provisions of GB 15258. 8.3 The packaging mark or the product manual shall indicate the construction ratio in the application condition. 8.4 The packaging mark or the product manual shall indicate the classification and product type in accordance with this standard.

9 Implementation of standards

9.1 Solvent-based wall coatings for buildings shall not be used in the field coating since the implementation of this standard. 9.2 When spot-checking the paint products in the application condition on the painting site, the sampling inspection of the multi-component cured paints such as polyurethane and epoxy shall be tested within the product's applicable period. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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