Sodium Sulphate Anhydrous 99% min for detergent 1) Purity: 99% min. 2) ... /bag, 27MT/20' FCL 3) PH value: 9-11 Sodium Sulphate Anhydrous 99% min for detergent1. Specification:Chemical name: Sodium sulfate ... :Mainly used for making the sodium silicate, glass, ceramic glaze, pulp, cooling mixture, detergent, desiccant, dye thinner, chemical reagent and pharmaceuticals ...