This standard specifies the requirements, sampling, test methods, inspection rules and signs, labels, packaging, transportation and storage of sulfur black 3B, 4B, 3BR, 2RB (sulfur black BN, BRN, B2RN, RN, CI sulfur black 1). This standard is applicable to the product quality control of sulfur black 3B, 4B, 3BR and 2RB.
GB/T 1655-2013 Referenced Document
GB 19601 Limit and determination of 23 harmful aromatic amines in dye products*, 2013-09-06 Update
GB 20814 Limit and determination of the quantity of heavy-metal elements in dye products*, 2014-07-24 Update