... Grade0.001Pb%≤Excellent Grade0.001First-rate Grade0.0023.ApplicationPotassium hydroxide can be reagents and alkaline desiccants in chemistry ... sodium metal, inorganic salt , chromate, manganese, borax acid salt, phosphate, etc, are also using a lot of Potassium hydroxide. 4.Storage Potassium hydroxide ... it away from heat, combustible and acids. Potassium Hydroxide 95% w/high quality,low price,solid