Sodium sulfate, inorganic compound, sodium sulphate decahydrate also known as glauber's salt, high purity, fine particles of anhydrous substances called yuanming powder. Yuanming powder, white, odorless, bitter crystal or powder, has hygroscopic properties. The shape is colorless, transparent, large crystals or small particles. It is mainly used for making water glass, glass, porcelain glaze, pulp, refrigeration mixer, detergent, desiccant, dye thinner, analytical chemical reagent, pharmaceuticals, etc.