... Product DescriptionMainly for ion membrane caustic soda, hydrogen-oxygen fuel cells, electrodialysis, desalination, water electrolysis.PERFLUOROSULFONIC ACID ... special polymer,mainly for the processing of fuel cell membrane and chlor-alkali ion exchange membrane. ... Applications Mainly for ion membrane caustic soda, hydrogen-oxygen fuel cells, electrodialysis, desalination, water electrolysis.Package, ...