Anhydrous sodium sulfate is widely used in the production of water glass, glass, porcelain glaze, paper pulp, refrigerant mixture, detergent, desiccant, dye thinner, analytical chemical reagents, pharmaceuticals and so on. The sodium sulfate powder is divided into different grades according to its sodium sulfate content, impurities and chroma: the electronic grade mainly contains 99.99, which is mainly used in medicine as a purgative dosage is very small at present, there is no domestic production mainly concentrated in Japan.

A class of first-class products containing 99.0 is mainly used for printing and dyeing, synthetic detergent, vinylon and so on. The main class of two and one grade products contains 98.0 mainly used in glass, dye, paper and other industries. The main content of the three grade products is 95.0, which is mainly used as raw materials for inorganic salts and other industries or as fillers for other products.