Sodium hydroxide solid is obtained by evaporation of 32% sodium hydroxide solution. Sodium hydroxide is an important basic chemical raw material, which is widely used in the production of formic acid, oxalic acid, borax, phenol, soap, synthetic fatty acid, synthetic detergent and so on. It can also be used as desizing agent, scouring agent, mercerizing agent and solvent of vat dye and navy blue dye in textile printing and dyeing industry.
In addition, sodium hydroxide also widely used in enamel, cosmetics, leather making, coatings, pesticides, glass and other industries.