Vipul Dye Chem Ltd. Manufactures Direct Dyes. Vipul Dye Chem Ltd. Is an ISO 9001-2000 certified manufacturer and exporter of Fast colour bases, Napthols, Fast colour salts and Dyes intermediates. The Direct Dyes are suitable for textile, paper and leather industries. These come in liquid form with good light fastness property. These are free from all the Bandamines. These Direct Dyes are offered in 25 kg or 50 kg plastic drums or carton boxes or iron drums.