... Membrane Caustic liquid, IEM Caustic Soda flaked and diaphragm Caustic Soda liquid, Caustic soda flaked. The 72 percent, ... OF Ion Exchange Membrane Sodium HydroxideChemical nameSodium HydroxideFormulaNaOHAppearanceCaustic Soda Liquid is colorless, transparent; the solid is ... CO2 in the airUsageArtificial silk, synthetically fiber, soda cyanide, pharmaceutical and paper manufacturing production etc. ...