... (Glaubers salt) is mainly used in synthetic detergent, vinylon, sodium silicate, bleaching, dyeing, glass, tannage, papermaking, the anticorrosive ... fire, fight with fire extinguisher.Inspection report : Name Sodium sulphate anhydrous(Glaubers salt) SpecificationI type First gradeStandardGB/T6009-2003Inspection ... 25Fe%≤0.0020.001Moisture %≤0.200.02Whiteness %≥8290 Sodium Sulphate Anhydrous 99%