DuPont Nafion Proton Exchange Membrane (PEM)

Product: DuPont Nafion 117 Proton Exchange Membrane (PEM)
Application: Electrolyte Material for Fuel Cells and Water Electrolysis
Product Overview: Nafion 117 is a perfluorosulfonic acid (PFSA) membrane widely used for proton exchange membrane fuel cells (PEMFC) and water electrolysis. It offers high proton conductivity and excellent chemical stability.

Key Specifications:
Model: Nafion 117
Thickness: 183 µm
Tensile Modulus (50% RH, 23°C): 114 MPa
Tensile Strength (50% RH, 23°C):
– MD (Machine Direction): 34 MPa (4.9 kpsi)
– TD (Transverse Direction): 26 MPa (3.8 kpsi)
Elongation at Break (50% RH, 23°C):
– MD: 200%
– TD: 275%
Tear Strength (Initial, 50% RH, 23°C): 3500 gf/mm (MD, TD)
Tear Strength (Propagating, 50% RH, 23°C):
– MD: 92 gf/mm
– TD: 104 gf/mm
Specific Gravity: 1.98
Conductivity: 0.1 S/cm min
Available Acid Capacity: 0.95 – 1.01 meq/g
Total Acid Capacity: 316.96 meq/g
Water Content: 5%
Water Uptake: 38%
Packaging Unit: 10 cm x 10 cm, 30 cm x 30 cm

Storage Conditions:
– Store in a cool, dry place away from direct sunlight.
– Shelf Life: 5 years.