Reactive Black B Dye finds an application in textiles, paper and ink industries. Reactive Black B Dye is manufactured by Ushanti Colour Chem Pvt Ltd which is an ISO 9001: 2000 accredited company.Ushanti Colour Chem Pvt Ltd also manufactures various types of direct dyestuffs. The Reactive Black B Dye has solubility of 100 GPL at 30 Degree C. This Reactive Dye has 0.5% insoluble matters. For testing the strength of this Reactive Dye highly technological machineries have been installed by the company.