This standard specifies the requirements, sampling, analysis steps, inspection rules, signs, labels, packaging, transportation and storage of acidic deep blue PB (weakly acidic deep blue GR, CI acid blue 120). This product is mainly used for dyeing silk, wool fabrics and nylon fabrics.
HG 3386-2001 history
2002HG 3386-2001 Acid dark blue PB (weak acid dark blue GR)