... 181-3 Place of Origin: heng shui China (Mainland) Purity: 90 SpecificationsPotassium hydroxide /Caustic Potash /KOH 1,white ... Use : mainly used in alkaline batteries industry, soaps, high-class detergents and cosmetic, medicine intermediate, potassium chemicals, ... Use : mainly used in alkaline batteries industry, soaps, high-class detergents and cosmetic, medicine intermediate, potassium chemicals, ...