Description
Overview
Nafion™ N117 is a non-reinforced PFSA proton exchange membrane widely used in PEM fuel cells and water electrolyzers. It serves as a solid electrolyte and separator, allowing proton transport while helping separate reactant gases.
Chemours lists Nafion™ N117 as an extrusion-cast PFSA membrane with a typical thickness of 183 μm. The material is chemically resistant, durable and widely used in hydrogen energy applications.
Key Features
• Industry-standard PFSA membrane
• Non-reinforced film
• Good chemical resistance and durability
• Suitable for PEM fuel cells and water electrolyzers
• Suitable for laboratory, pilot-scale and industrial use
Technical Specifications
• Typical thickness: 183 μm
• Basis weight: 360 g/m²
• Conductivity: 0.10 S/cm minimum
• Available acid capacity: 0.90 meq/g minimum
| Property | Typical Value | Unit |
|---|---|---|
| Membrane Type | N117 | — |
| Thickness | 183 | μm |
| Basis Weight | 360 | g/m² |
| Conductivity | ≥0.10 | S/cm |
| Available Acid Capacity | ≥0.90 | meq/g |
| Water Uptake | 38 | % |
Applications
• PEM fuel cells
• Water electrolyzers
• MEA fabrication
• Hydrogen energy systems
• Research and pilot production
Commercial Note
Price shown is indicative and excludes VAT, shipping and any custom cutting or packaging charges. Please contact us for bulk orders, custom dimensions and distributor terms.




