Sodium Sulphate Anhydrous sed as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass Sodium Sulphate Anhydrous GLAUBER SALT1) Purity: 99%min. 2) Cas ... detergents, vinylon, dye and dyeing, glass, pharmaceuticals, leather and rubber. Sodium Sulphate Anhydrous 99% GLAUBER SALT