Water Soluble Anionic Dyes are Acid dyes which are applied to fibers such as silk, wool called as acid wool dyes, nylon and modified acrylic fibers from neutral to acid dye baths. Advent Dyestuffs and Chemicals manufacturers and exporters of a wide range of fabric dyes, solvent dyes, textile dyes, textile colors, leather dyes and colors, acid dyes, acid metal complex dyes, acid mordant dyes, acid milling dyes, non-benzidin, direct dyes. Acid dyes are attachment to the fiber is attributed, at least partly, to salt formation between anionic groups in the dyes and cationic groups in the fiber. Acid dyes are not substantive to cellulose fibers. Acid dyes are used both commercially and by the studio dyer to dye protein and animal fibers such as wool, silk, mohair, angora, alpaca and some nylons and synthetics. Acid dyes require the use of an acid such as vinegar, acetic or sulphuric acid to set the color. A wide range of Acid dyes are provided by Advent Dyestuffs and Chemicals.