... purity: 90% 48%,45%, 50% application:For manufacturing Potassium Salt ,syn caustic potash flakesGradesPotassium hydroxide is available in technical pure.SpecificationPotassium Hydroxide ... and ABS resin, potassium compound, herbicide, photo chemicals, pesticide, battery, concrete compound, medicines, optical brightener, Rosin Sizing agent. Etc. caustic potash flakes