Purity:96% Packing:25kg net weight of 3-layer pp/pe bag ... corrosion ISO 9001 : 2000 General Description :Caustic Soda flakes :Chemical Formula : NaOHChemical Composition :Product NameCaustic Soda flakes 96%NaOH96% minNa2CO31.4% maxNaCl2.8% maxFe2O30 ... violently with , such as acids , water , organohalogen compound , zinc , etc 96% Caustic Soda flakes (manufacture)