Purpose:

Sodium hydroxide is mainly used in papermaking, production of cellulose pulp, production of soap, synthetic detergent, synthetic fatty acid and refining of animal and vegetable oils. Textile printing and dyeing industry is used as desizing agent, scouring agent and mercerizing agent for cotton cloth. Chemical industry is used to produce borax, sodium cyanide, formic acid, oxalic acid, phenol, etc. The petroleum industry is used for refining petroleum products and drilling mud in oil fields. It is also used for surface treatment of aluminum oxide, metal zinc and metal copper, as well as glass, enamel, leather making, medicine, dyes and pesticides. Food grade products are used in the food industry as acid neutralizers, peelers for oranges, peaches, etc., detergents for empty bottles, cans, etc., as well as decolorizers and deodorants.

Storage method:

Sodium hydroxide shall be stored in a cool, dry and well ventilated warehouse. Keep away from fire and heat source. The warehouse temperature shall not exceed 35 ℃ and the relative humidity shall not exceed 80%. The package must be sealed against moisture. It shall be stored separately from combustibles and acids, and mixed storage is strictly prohibited. The storage area shall be equipped with appropriate materials to contain the leakage.