... color fastness 3.less impuritie,high strength 4.eco-friendly Acid Dyes1.Characteristics:1) High quality, standard safety.2) Relatively ... maxSweat fastness5Useleather, wool, paper, textile, etcPacking25kgs/drum3. ApplicationMainly used in leather, textiles and wool dyeing, the colour and lustre is full ... dyeing rate is high, the color fastness is also stable.Acid dyes for leather Acid Dyes For Leather