... dyes and vat dyes. In medicine, used as salting agent and flocculating agent. Also used in paper making, glass, printing and ... other industry. 3.Sodium Sulphate Anhydrous 99% Specifications:Na2SO4 is used as filler of detergent, the making of sodium sulphide, water ... glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, it ...