Aquivion® E98-05 is a perfluorosulfonic acid ionomer membrane that exhibits an Equivalent Weight (EW) of 980 g/eq. Nominal thickness is 50 microns. Aquivion® ionomer membranes are melt-extruded products based on the unique Short Side Chain copolymer of Tetrafluoroethylene (TFE) and Sulfonyl Fluoride Vinyl Ether (SFVE) F2C=CF-O-CF2CF2-SO2F produced by Solvay. They are available in the acid form and feature a lower Equivalent Weight (EW) than most commercial proton exchange membranes. The unique Short Side Chain copolymer allows higher crystallinity, improved mechanical properties and better proton conductivity. Typical applications include PEM fuel cells, water electrolyzers, separators for hydrogen or redox flow batteries, and pervaporation or gas humidification systems. Please visit Aquivion.com for more information.

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Chemical categories

Chemical category Chemical family Chemical product
Specialty Polymers Perfluorosulfonic acid PFSA (Perfluorosulfonic acid)

Region of availability

  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Not available in Latin America
  • North America

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