DNG BLUE POWDER BLACK is used in the bleach process at sulphur dyed fabric.
DNG BLUE POWDER BLACK gives much better results in bleaching, cleaning and visualizing effects of sulfur and overdye fabrics. It has effective bleaching properties in dye bath that not to exceed 60 ͦC in specially fabrics whose warp is dyed sulphur. It does not cause loss of strength in lycra fabrics due to its high performance at low and medium temperatures.