Hinarect Dyes

Substantive dyes are popularly known as Direct Dyes. These are dyed on cellulosic fibers at near boiling temperatures from neutral or weakly alkaline baths along with salt.

Although this class of dyes cannot be compared with vat, solubilized vat, azoic, fiber reactive, sulphur and pigment groups of colorants in respect of color fastness properties, their comparative cheapness, simplicity of applications and availability of shades and hues in one class of dyestuffs makes them one of the most important groups of dyes for cotton, viscose, cuprammonium and various cellulose based fine textiles such as voiles, georgette, crepe, chiffon, knitwear etc.

Specific Direct Dyes are also used for dyeing lignin fibers such as jutes, sisal, coir, paper, leather, natural silk, wool, nylon as well as blends of cellulose.