... electrolysis tank. PFSAPEM (Perfluorosulfonic acid proton exchange membrane)Quality Specification ItemUnitCHFM 025CHFM 050CHFM 075CHFM 100CHFM 150CHFM ... densityg/cm31.98±0.05 Main ApplicationsMainly for ion membrane caustic soda, hydrogen-oxygen fuel cells, electrodialysis, ... Package, Transportation and Storage1,Perfluorosulfonic Acid Proton Exchange Membrane is packed in circular paper barrels, Every ...