sodium sulphate anhydrous na2so4 99% is mainly used in synthetic detergent, vinylon, sodium silicate, bleaching, dyeing. sodium sulphate anhydrous na2so4 99% is mainly used in synthetic detergent, vinylon, sodium silicate, bleaching, dyeing.sodium sulphate anhydrous na2so4 99% Name Sodium sulphate anhydrous(Glaubers salt) Specificationtype First gradeStandardGB/T6009-2003Inspection item ...