This standard specifies such contents as the requirements of the permissible limits of substances that are harmful human body and environment in solvent based coatings of polyurethane, nitrocellulose and alkyd for woodenware as well as the solvent lacquer putty for woodenware used for indoor decorating and refurbishing, test methods, inspection rules, packing mark, coating security and protection.
This standard is applicable to solvent based coatings of polyurethane, nitrocellulose and alkyd for woodenware (including base coat and finish coat) as well as the solvent lacquer putty for woodenware used for indoor decorating and refurbishing as well as coating in the factory. It is not applicable to radiation curing coatings and unsaturated polyester lacquer putty.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending error in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
GB/T 1250 Rules for Expression and Judgment of Limiting Values
GB/T 1725-2007 Paints Varnishes and Plastics—Determination of Non-volatile-matter Content (ISO 3251: 2003, IDT)
GB/T 3186 Paints Varnishes and Raw Materials for Paints and Varnishes-Sampling (GB/T 3186-2006, ISO 15528: 2000, IDT)
GB/T 6750-2007 Paints and Varnishes—Determination of Density—Pyknometer Method (ISO 2811-1: 1997, Paints and Varnishes-Determination of Density-Part 1: Pyknometer Method, IDT)
GB/T 9750 Marks for Package of Coating Products
GB/T 9754-2007 Paints and Varnishes—Determination of Specular Gloss of Non-metallic Paint Films at 20°, 60°and 85° (ISO 2813: 1994, IDT)
GB/T 18446-2009 Binders for Paints and Varnishes—Determination of Monomeric Diisocyanates in Isocyanate Resins(ISO 10283: 2007, IDT)
GB 18582-2008 Indoor Decorating and Refurbishing Materials-Limit of Harmful Substances of Interior Architectural Coatings
3 Terms and Definitions
The following terms and definitions are applicable to this standard.
3.1
Volatile organic compounds (VOC)
Any organic compound of which the initial boiling point is less than or equal to 250℃ under the standard pressure of 101.3kPa.
3.2
Volatile organic compounds content
The volatile organic compounds content obtained by test the product with the specified test method.
3.3
