1. Chemical industry for the manufacture of formic acid, oxalic acid, borax, phenol, sodium cyanide and soap, synthetic fatty acid, synthetic detergent, etc.

2. Textile printing and dyeing industry used as cotton desizing agent, boiling agent, mercerizing agent and reduction dye, Haichang blue dye solvent.

3. Manufacturing aluminum hydroxide, aluminum oxide and metal surface treatment agent for smelting industry. The instrument is used in industry as acid neutralizer, decolorizing agent and deodorizing agent.

4. Adhesive industry used as starch gelatinizer and neutralizer.

In addition, it is widely used in enamel, medicine, cosmetics, leather, paint, pesticide, glass and other industries.