Water Treatment
Caustic soda used to control water acidity and to help remove heavy metals from water. And is also used to produce sodium hypochlorite, a water disinfectant.
Chemical and petrochemical
In the chemical industry, about 40% of the Caustic Soda flake production is used as a raw material for the production of many chemicals.
Textiles
austic soda used to eliminate the grease on the cotton yarn and wool in textile industry and printing and dyeing industry.
Soaps and detergents
Caustic soda used to making soap, common way to make soap is by neutralizing fatty acids with an alkali, most often sodium hydroxide.