The chemical formula of soda ash is Na2CO₃. Easily soluble in water and shows strongly alkaline. Widely used in making soap, textile, printing and dyeing, bleaching, papermaking, petroleum refining, metallurgy and other sectors in chemical industry.

In printing and dyeing and textile industry, it is used to remove the grease on cotton yarn, wool and so on. Caustic soda or soda ash is needed in the production of artificial fiber. Petroleum refining, papermaking industry, metallurgical industry, chemical industry.

Besides, soda ash is also used in food industry and daily life. Food grade soda ash is used in the production of MSG, wheaten food, etc.

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