... max0.001%maxApplication: The use of sodium hydroxide and alkaline desiccant, paper, aluminum smelting, refining tungsten, rayon ... In addition, in the production of dyes, plastics, pharmaceutical and organic intermediates, old rubber regeneration system of metallic sodium, water ... soda is white, there is massive, flakes, solid, and granular.Storage and transport: It should be stored in a dry,ventilative ...