1. It is used as desiccant and absorbent for making oxalic acid and various sylvite salts, and also for electroplating, engraving, lithography, etc.
2. The dyestuff industry is mainly used for printing, dyeing, bleaching and mercerizing.
3, chemical raw materials, for medicine, daily chemical industry.
4, used as analytical reagent, saponification reagent, carbon dioxide and moisture absorbent.
5, the daily chemical industry is used as raw materials for making dirty soap, shampoo soft soap, snow cream, cold cream, shampoo cream and so on.