Test methods of leather auxiliaries, catalog, Chinese national standards
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GB/T 4689.20 Leather - Determination of adhesion of finish
GB/T 19940 Chrome powder - Determination of chromium(VI)
GB/T 19941 Leather and Fur - Chemical tests - Determination of formaldehyde content
GB/T 19942 Leather and Fur - Chemical tests - Determination of banned azo colourants
GB 20400 Leather and fur - Limit of harmful matter
GB/T 22807 Leather and fur - Chemical tests - Determination of chromium VI content
GB/T 22808 Leather and fur - Chemical tests - Determination of pentachlorophenol content
GB/T 22885 Leather - Tests for colour fastness - Colour fastness to water
GB/T 22886 Leather - Tests for colour fastness - Colour fastness to water spotting
GB/T 22888 Leather - Physical and mechanical tests - Determination of cold crack temperature of surface coatings
GB/T 22889 Leather - Physical and mechanical tests - Determination of surface coating thickness
GB/T 22890 Leather - Physical and mechanical tests - Determination of water resistance of flexible leather
GB/T 22891 Leather - Physical and mechanical tests - Determination of water resistance of heavy leather
GB/T 22930 Leather and fur - Chemical tests - Determination of heavy metal content
GB/T 22931 Leather and fur - Chemical tests - Determination of plasticizers
GB/T 22932 Leather and fur - Chemical tests - Determination of organotin compounds
GB/T 22933 Leather and fur - Chemical tests - Determination of free fatty acid
GB/T 26702 Leather and fur - Chemical tests - Determination of dimethyl fumarate content
GB/T 30398 Leather and fur - Chemical tests - Determination of allergenic disperse dyestuffs
GB/T 30399 Leather and fur - Chemical tests - Determination of carcinogenic dyestuffs
GB/T 33285 Leather and fur - Chemical tests - Determination of nonylphenol and nonylphenol ethoxylates
GB/T 33392 Leather and fur - Chemical tests - Determination of 4-aminoazobenzene derived from azo colorants