... glass, or used in papermaking, glass, dye and used as filler, Product Name : Sodium Sulphate , Sodium SulfateMolecular Formula : Na2SO4Molecular Weight : ... 002% Max.Moisture 0.20% Max.Whiteness 82MinUses: Used as filler of detergent, making of sodium sulphide, water glass, or used ... in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, also can be used in ...