... FCL, 27Mt/FCL Raw material:mine compertitive quanlity and price Na2SO4Uses : Sodium sulphate anhydrous(Glaubers salt) ... synthetic detergent, vinylon, sodium silicate, bleaching, dyeing, glass, tannage, papermaking, the anticorrosive treatment of gas pipe, ... metallurgy, surface treatment, filler industry, and so on.Packing & storage : Net wt 25kg, ... Na2SO4(SSA) 99%min for detergent and glass