... natural mine Na2SO4 is mainly used in synthetic detergent, vinylon, sodium silicate, bleaching, dyeing, glass, tannage, papermaking, the ... gas pipe, metallurgy, surface treatment, filler industry, and so on.Packing & storage : Net wt 25kg, 50kg or 1, ... fire, fight with fire extinguisher.Inspection report : Name Sodium sulphate anhydrous(Glaubers salt) SpecificationI type First gradeStandardGB/T6009- ...