indigo blue(vat blue 1),vat dyes. 1)Appearance: Dark blue even powder/granular 2)Strength:100 3)Moisture%:1.0max. 4)Fe3+: 200ppm max 5)Packing: in 25 kg net bag/iron drunm/net carton 6)Application: As dyestuff,be mainly used to dye cotton fab

We are a big manufacturer of dyestuff basic violet 14 in China.We guarantee the quality with a competitive price. Sample is available if need. Packing: in 200kg drum. Delivery time: within 10 days In dyeing Acrylic fiber,silk,wool,and cotton fibe