... and delivery immediately 4.best service 1.Detailed Product DescriptionCaustic soda flake, pearl or solid Purity 99% 98% 96%25tons/1 ... be refund after comfirm order5 .Application: The use of caustic soda/sodium hydroxide and alkaline desiccant, paper, aluminum smelting, refining tungsten ... , phosphate, etc., but also the use of many of caustic soda.6.Packing It is packed with polyethylene bag as liner ...