Direct Black 19

We are offering direct black 19, annual output: 10,000mt. product features: 1. Good solubility and leveling property; 2. Excellent black dye with little discoloration in the after-treatment; 3. Applicable for pad dyeing and dye with hydrogen peroxide; 4. Medium color fastness; applicable under high temperature and pressure applaction: 1. Dyeing of cotton, viscose, polyester/cotton, wool/viscose and printing of pure silk; 2. Dyeing of leather; 3. Dyeing of black writing paper, shoe paper board and corrugated paper, with high exhaust rate of dyeing and good light fastness.