... : Na2SO4 CAS No .:7757-82-6 Used as filler of detergent,papermaking, glass 99%min Glauber salt /Sodium Sulphate ... separately, avoid mixed reserve.Applications:used as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking ... be used in fiber, lether, metallurgy, enamel and soap.CERTIFICATE OF ANALYSIS Analytical ItemsIndex for I Type First ClassTesting resultNa2SO4 % ≥ ...