Limit of harmful substances of architectural wall coatings
1 Scope
This standard specifies the product classification, requirements, test methods, inspection rules, marks for package and implementation of this standard involved in the allowable limit of harmful substances of architectural wall coatings to human body and environment.
This standard is applicable to various architectural wall coatings, which are directly applied on site or in factories and are used to decorate and protect the interior and exterior surfaces of buildings based on cement-based and other nonmetallic materials (except wood materials).
2 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.
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 - Pyknometer method
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgment 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
GB/T 23992-2009 Determination of chlorhydrocarbon content in coatings - Gas chromatographic method
GB/T 23993-2009 Determination of formaldehyde content of waterborne coatings - Spectrophtometric method with acetylacetone
GB/T 30647-2014 Determination of harmful elements total content of coatings
GB/T 31414-2015 Water based coatings - Determination of surfactant - Alkylphenol polyethoxylates
3 Terms and definitions
For the purpose of this document, the following term and definition apply.
3.1
building
a space or entity constructed of building materials for people to live and perform various activities
[See Definition 2.1.4 in GB/T 50504-2009]
Note: for example, residential buildings, office buildings, plants, warehouses, shopping malls, stadiums, exhibition halls, libraries, hospitals, schools, airports, stations, theaters, churches, etc.
3.2
architectural wall coatings
wall coating applied to the interior and exterior surfaces of buildings with cement-based and other nonmetallic materials (except wood materials) as substrates.
