Mac Dye Chem Industries manufacturing and exports all kind of Reactive Turquoise Blue 21 is defined as a chemical dye that is used for coloring materials like cotton, wool, silk and other polyamide textiles. This blue color, odorless powder is processed at our manufacturing unit by making use of premium grade of chemicals. This is extensively appreciated or its unsurpassed qualities like high purity, accurate composition, excellent stability, optimum solubility and longer shelf life.