Sodium Sulphate Anhydrous (SSA) Na2SO4 High purity 99.2% Good color CAS NO.:7757-82-6 Sodium Sulphate ... ,leather,nonferrous ,metallurgy,enamel and soap etc. SpecificationsNa2SO4 content (purity) % ≥ 99 Water Insoluble % ≤ 0.05 Iron (be accounted with the Fe ... kg weave bag , inner lining bed of plastic bag. Store and transportation:Should store at the ventilated , dry storehouse. In summer or ...