INDANTHRENE BLACK BBN

Description

VAT black BBN is mainly used for cotton fiber dyeing, dyeing after oxidant (such as sodium hypochlorite or sodium nitrite and concentrated sulfuric acid) treatment, the color from dark green to black, stable color, levelling and affinity are very good.  It is also used for dyeing viscose fibers, silk, wool, Vinylon and cotton blends.  VAT black BBN is also effective in dyeing silk, with good newness and evenness.  Dye viscofiber light color, high temperature Chemicalbook color light slightly dark.  Vinylon can also be dyed, but the color is reddish and purple.  Dyed cotton - viscose blended fabric, color light is also more red.  After finishing with urea formaldehyde and other resins, the color and light of the dye did not change.  VAT black BBRN is also used to dye cotton fabrics, suitable for suspension pad dyeing.  Its chromophore is used to dye yarn.  Light color without bleach, can be dyed grey or black by chlorine bleaching.  It can also be dyed with viscose, Vinylon, cotton-fibre blends, silk and wool.