... be refund after comfirm order5 .Application: The use of caustic soda/sodium hydroxide and alkaline desiccant, paper, aluminum smelting, refining ... and organic intermediates, old rubber regeneration system of metallic sodium, water electrolysis, as well as inorganic salt production, preparation ... phosphate, etc., but also the use of many of caustic soda.6.Packing It is packed with polyethylene bag as ...