... POTASSIUM HYDROXIDE 1.Purity:90%min 2.White flakes 3.We'r manufacturer 1. PRODUCT DESCRIPTION: MEMBRANE POTASSIUM HYDROXIDE 90% ,White flakes, HG ... products manufacturing,then also can be used in papermaking, smelting aluminium and tungsten, rayon and soap manufacturing,wastewater treatment, electroplating, ... away from heat, combustible and acids. Potassium Hydroxide 90% flake w/high quality,low price