... Used as filler of detergent,papermaking, glass 99%min Glauber salt /Sodium Sulphate Anhydrous Molecular formula: Na2SO4Molecular weight: ... easily soluble in water; absorb moisture; odorless, non-toxic.Use: widely used in vinylon, sodium silicate, bleaching, glass, paper making, ... filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, ...