... be refund after comfirm order5 .Application: The use of caustic soda/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, ... , etc., but also the use of many of caustic soda.6.Packing It is packed with polyethylene bag as liner ...