... : heng shui China (Mainland) Purity: 90 SpecificationsPotassium hydroxide /Caustic Potash /KOH 1,white flakes. 2,good quality 3,best pricesPotassium hydroxide /Caustic Potash /KOH1,white flakes.2,good ... : mainly used in alkaline batteries industry, soaps, high-class detergents and cosmetic, medicine intermediate, potassium chemicals, synthetic rubber, ABS resin, food additive ...