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AvCarb P75 Gas Diffusion substrates are unparalleled in their ability to meet the rigorous demands of the fuel cell, including platinum catalyst and functional layer support, effective transport of gases and liquids, and conduction of heat and electricity. Moreover AvCarb P75 substrates are highly durable, both chemically and mechanically.
Properties | |
Thickness (um) | .245 mm (245 microns) at 1psi / 0.7 N/cm² .205 mm (205 microns) at 7.3psi / 5.1 N/cm²) |
Bulk Density | 0.29 g/cm3 |
Fiber Type | Carbon Paper Substrate |
Through-Plane Resistance (mΩcm2) | 7.8 mOhm*cm² |
Break Strength Cross Machine Direction | 3.9 MPa |
Nominal Base Weight | 75 g/m3 |
Stiffness Machine Direction | 20.0 Taber |
Air Permeability (Through-Plane) | 15 sec/100cc |
Break Strength Machine Direction | 6.5 MPa |
Compressibility ((22N - 113N)/22 x 100%) | 10.7% |
PTFE Treated | None |
Stiffness Cross Machine Direction | 3.5 Taber |
Micro Porous Layer (MPL) | None |