Nigrosine Acid Black for Leather Dyeing Penetration is used for dyeing of leather, water base ink, decorative laminate, shoe polish, waxes, silk dyeing, wool dyeing, nylon dyeing. The Nigrosine Acid Black is water soluble in crystal, powder, liquid form. The Nigrosine Acid Black for Leather Dyeing Penetration has purity range from 50% to 100%.
Application of Nigrosine Acid Black for Leather Dyeing Penetration: