... papermaking, glass, dye and used as filler, Product Name : Sodium Sulphate , Sodium SulfateMolecular Formula : Na2SO4Molecular Weight : 142.04Packing : In1MT bag or ... bagor as per the customers' request.HS NO. : 2833110000Spec: Sodium Sulphate(Na2SO4) 99%MinInsoluble matter in water 0.05% Min.Ca ... fiber, leather, metallurgy, enamel and soap. Chinese industrial sodium sulfate anhydrous