Bag testing will involve leather testing, so what is leather testing it, what are the items of l
eather testing, and what is the standard, take you to understand the standards and projects of leather testing.
Leather testing items：
Chemical performance test: pH, hexavalent inscription content, formaldehyde content, prohibited azo dyes, odor, fur volatiles content volume, leather water content and volatiles
Color fastness: rubbing color fastness, color fastness to water stains, color fastness to perspiration stains, color fastness to light
Content determination: formaldehyde content, hexavalent chromium, azo, heavy metals, PCP, TeCP, OPP, free fatty acid content amount, organic tin compounds
Material identification: material identification (leather, fur/artificial leather/synthetic leather, etc.)
Analysis items: composition analysis, toxic and harmful substances detection, environmental protection detection, azo test
Leather testing standards:
GB/T16799-2008 leather for furniture
GB/T4689.21-1996 leather water absorption determination method
GB/T4689.22-1996 leather breathability determination method
GB/T4690-1984 leather finished part of the distinction
GB/T4689.20-1996 leather coating adhesion fastness determination method
GB/T19940-2005 powdered inscription release agent hexavalent chromium ion determination method
GB/T19941-2005 leather and fur chemical test for the determination of formaldehyde content
GB/T19942-2005 leather and fur chemical test the determination of prohibited azo dyes
GB20400-2006 leather and fur harmful substances limit
GB/T 22807-2008 leather and fur chemical test of hexavalent inscription content determination
GB/T 22808-2008 leather and fur chemical test determination of the content of pentachlorophenol
GB/T 22886-2008 leather color fastness test water stains color fastness
GB/T22888-2008 leather physical and mechanical test surface coating low temperature brittle cracking temperature determination
GB/T22889-2008 leather physical and mechanical testing of the determination of the thickness of the surface coating
GB/T22890-2008 leather physical and mechanical test soft leather waterproof performance determination
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