99.5% Industrial Sodium Sulphate Anhydrous(SSA) Purity: 99.5% min. PH: 9-11 6-8 Packing:50KG/BAG, 25KG/BAG. HS code: 2833110 Industrial Sodium Sulphate ... : Na2SO4 is used as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and ... can be used in fiber, lether, metallurgy, enamel and soap. 3. Package: 25kg/bag or 50kg/bag with outer polypropylene woven ...