Description
Nafion 117 Membrane Is Non-Reinforced Films Based On Chemically Stabilized Perfluorosulfonic Acid/PTFE Copolymer In The Acid (H+) Form. It Is Widely Used As Ion Exchange Membrane To Separate The Anode And Cathode Compartment In Redox Flow Cells And Fuel Cells.
Specifications
| Thickness | 183 Micrometers (7.2 Mil) |
| Basic Weight (G/M²) | 360 |
| Tensile Strength – Max. (MPa) | 43 (6.2) In MD, 32 (4.6) In TD – Method: ASTM D 882 |
| Non-Std Modulus (MPa) | 249 (36) – Method: ASTM D 882 |
| Elongation To Break (%) | 225 (MD), 310 (TD) – Method: ASTM D 882 |
| Tear Resistance – Initial (G/Mm) | 6000 (MD, TD) – Method: ASTM D 1004 |
| Tear Resistance – Propagating (G/Mm) | >100 (MD), >150 (TD) – Method: ASTM D 1922 |
| Specific Gravity (23 °C, 50% RH) | 1.98 |
| Available Acid Capacity (Meq/G) | 0.90 Min |
| Total Acid Capacity (Meq/G) | 0.95 To 1.01 |
| Conductivity (S/Cm) | 0.10 Min |
| Hydrolytic Properties | |
| Water Content (% Water) | 5.0 – Method: ASTM D 570 |
| Water Uptake (% Water) | 38.0 – Method: ASTM D 570 |
| Linear Expansion % Increase – 50% RH, 23°C To Water Soaked 23°C | 10.0 – Method: ASTM D 756 |
| Linear Expansion % Increase – 50% RH, 23°C To Water Soaked 100°C | 15.0 – Method: ASTM D 756 |
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