... -3 purity: 90% 48%,45%, 50% application:For manufacturing Potassium Salt ,syn caustic potash flakesGradesPotassium hydroxide is available in technical pure.SpecificationPotassium Hydroxide ... , SBR and ABS resin, potassium compound, herbicide, photo chemicals, pesticide, battery, concrete compound, medicines, optical brightener, Rosin Sizing agent. Etc. caustic potash flakes