... common base in chemical laboratories.Pure sodium hydroxide is a white solid,available in pellets, flakes , granules and as ... , flakes, solid, and granular. 2.ApplicationThe use of sodium hydroxide and alkaline desiccant, paper, aluminum smelting, refining tungsten ... and organic intermediates, old rubber regeneration system of metallic sodium, water electrolysis, as well as inorganic salt production, ...