Fuel Cell Materials Proton Exchange Membrane PFSA-Nafion N324 N112 N115 N117 NR211 NR212 NE1135 NE1110

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