We are offering acid brown dye. well composed with selected chemicals, our acid brown dye is extensively used for dyeing of leather, paper and wool, silk, nylon and other fabrics. Our acid brown dye is safe on fabrics and s resistant to fading caused by light or repeated washings. The color of our acid brown dye is strong and stays long. why our acid brown dye?long lasting, deep color accurately formulated improves texture safe on fabric applications :for dyeing and printing of wool, nylon, silk paper, and leatheras biological stain and indicator