1) Sodium hydroxide is mainly used in the production of papermaking, cellulose pulp and soap, synthetic detergents, synthetic fatty acids and the refining of animal and plant fats.
2) NaOH is used as desizing agent, refining agent and mercerizing agent for cotton cloth in textile printing and dyeing industry.
3) Caustic Soda is used in the chemical industry to produce borax, sodium cyanide, formic acid, oxalic acid, phenol and so on.
4) NaOH is used in the petroleum industry to refine petroleum products and in oil field drilling mud.
5) Sodium hydroxide is also used in the production of aluminum oxide, metal zinc and metal copper surface treatment, glass, enamel, leather, medicine, dyes and pesticides.
6) food-grade Caustic Soda used in the food industry as an acid neutralizer, can be used as peel agent for citrus, peaches, and can also be used as empty bottles, empty cans and other containers of detergent, and decolorizing agent, deodorant.
7) Sodium hydroxide used as a neutralizer, cooperate with the masking agent precipitation, precipitation agent and masking agent, a small amount of carbon dioxide and water absorbent, thin layer analysis method was developed for the determination of ketone sterol chromogenic agent, etc., are widely used in the manufacture of sodium salt, soap, paper pulp, cotton, silk, viscose fiber, recycled rubber products, metal cleaning, plating, bleaching, etc.