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nafion-membrane
  • PYREX Erlenmeyer Flask NAFION® N117 Ion Exchange Membrane for Redox Flow Cell

    NAFION® N117 Ion Exchange Membrane for Redox Flow Cell  DuPont™ 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.  Product parameters 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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