This standard specifies the requirements, sampling, usage methods, inspection rules, signs, labels, packaging, transportation and storage of Acid Brilliant Blue P-3R 200% (CI Acid Blue 281) products. This standard applies to the 200% quality inspection of Acid Brilliant Blue P-3R, which is mainly used for nylon dyeing, and can also be used for dyeing wool, silk and other fibers and leather.
GB/T 21891-2008 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