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Nafion™ HP
Please note that Nafion™ HP has been discontinued by Chemours and only limited supplies are available for the time being.
Untreated Nafion™ HP at 20.3 micrometers (0.8 mil) thick.
The ultra-thin Nafion™ HP membranes are designed for use in low humidity and high temperature operating environments. The membrane's reinforcement, combined with the chemically stabilized polymer, enhances handling and physical properties. With the reinforcement, the Nafion™ HP membrane emits considerably less fluoride ions and displays greater longevity under potentially difficult operating conditions. The untreated Nafion™ HP membrane is 20.3 micrometers (0.8 mil) thick. The membrane comes with a film backing and coversheet attached.
Please contact us at sales@fuelcellsetc.com for the SDS and technical data sheets (TDS).
| Properties | |
| Thickness | 20.3 micrometers (0.8 mil) |
| Basic Weight (g/m²) | 43.5 |
| Tensile Strength - max. (MPa) | 38 (MD), 41 (TD) - Method: ASTM D 882 |
| Non-Std Modulus (MPa) | 391 (MD), 555 (TD) - Method: ASTM D 882 |
| Elongation to Break (%) | 182 (MD), 89 (TD) - Method: ASTM D 882 |
| In-Plane Conductivity (mS/cm) | > 72.0 |
| Through-Plane Conductivity (mS/cm) | > 50.5 |
| Hydrogen Crossover (ml/min·cm²) | < 0.015 |
| Hydrolytic Properties | |
| Water content (% water) | 5.0 ± 3.0% - Method: ASTM D 570 |
| Water uptake (% water) | 50.0 ± 5.0% - Method: ASTM D 570 |
| Linear Expansion % increase - 50% RH, 23°C to water soaked 23°C | 1% (MD), 5% (TD) |
| Linear Expansion % increase - 50% RH, 23°C to water soaked 100°C | 3% (MD), 11% (TD) |
