... flakes with strong corrosion Commodity: Caustic Soda for soap making / sodium hydroxide 99% minMolecular formula: NaOH 1.Detailed Product DescriptionCaustic soda flake ... well as inorganic salt production, preparation of borax, chromium salt, potassium permanganate, phosphate, etc., but also the use of many of ... sample,best price.4,Small quantity is welcomed. caustic soda for soap making