... in papermaking, glass, dye and used as filler, Product Name : Sodium Sulphate , Sodium SulfateMolecular Formula : Na2SO4Molecular Weight : 142.04Packing : In1MT bag or ... 20% Max.Whiteness82MinUses: Used as filler of detergent, making of sodium sulphide, water glass, or used in papermaking, glass, dye ... be used in fiber, leather, metallurgy, enamel and soap. Chinese industrial sodium sulfate anhydrous