... We'r manufacturer 1. PRODUCT DESCRIPTION: MEMBRANE POTASSIUM HYDROXIDE 90% ,White flakes, HG/T 3688-2010, Molecular Formula:KOH2. ... sodium metal, inorganic salt , chromate, manganese, borax acid salt, phosphate, etc, are also using a lot of Potassium hydroxide. 4.Storage Potassium hydroxide ... keep it away from heat, combustible and acids. flakes of Potassium Hydroxide 95% price of economizer,solid