GB 24409-2020 Translated English of Chinese Standard. (GB 24409-2020, GB24409-2020): Limit of Harmful Substances of Vehicle Coatings
https://www.chinesestandard.net, 2 авг. 2020 г. - Всего страниц: 31
This Standard stipulates the product classification, requirements, test methods, inspection rules, packaging marks and implementation of the Standard related to the allowable limits of substances harmful to humans and the environment in various types of vehicle coatings.
Appendix B normative Determination of Hexavalent Chromium Cr6+ Content
application condition application ratio Base Coat Solid buffer solution Bus vehicle calculated by dry Clear Coat Varnish Coat Solid Color Coat Varnish Primer Coatings Product coatings shall comply conduct the test content in water-based content of benzene digestion device B.3.5 dilution solvent dry film Effect Pigment ether esters ethers and ether ethylene glycol expressed in g Gas Chromatography glycol ethers hexavalent chromium Cr6+ internal standard substance limit value Low-speed Vehicle mass concentration mass fraction matrix recovery rate mg/L moisture content molecular sieve nitric acid non-volatile-matter content packaging marks Paint without Clear passenger car powered car train-set preparation bottle A.2.4 Primer Primer Surfacer rail transit vehicle railway vehicle sample preparation bottle Solid Color Paint solvent-based coatings spiked matrix recovery spiked solution stipulations of GB/T sulfuric acid test solution toluene total content urban rail transit value of VOC vehicle refers VOC content Volatile Organic Compound volumetric flask water-based coatings Weigh-take xylene containing ethylbenzene