... of detergent, making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, Product Name : Sodium Sulphate , Sodium SulfateMolecular ... 0.20% Max.Whiteness 82MinUses: Used as filler of detergent, making of sodium sulphide, water glass, or used in papermaking, glass, dye ... used in fiber, leather, metallurgy, enamel and soap. Chinese industrial sodium sulfate anhydrous