Product name

Test standard

Test methods for synthetic leather -- Determination of dimethylformamide content

QB/T 5158-2017

Leather and fur determination of formaldehyde content Part 2: spectrophotometric method

GB/T 19941.2-2019

Limit of harmful substances in leather and fur

GB 20400-2006

Determination of 4-aminoazobenzene in banned azo dyes for leather and fur chemical test

GB/T 33392-2016

Determination of banned azo dyes in leather and fur chemical experiments

GB/T 19942-2019

Limit of harmful substances in leather and fur

GB 20400-2006