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AvCarb EP40
Price:
From $29.00
AvCarb EP40 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 EP40 substrates are highly durable, both chemically and mechanically.
AvCarb EP40 is the base substrate used in the gas diffusion layers: GDS3215, GDS3250, and GDS3260.
| AvCarb Carbon Paper Properties | |
| Material Type | Carbon Paper Substrate |
| Nominal Thickness (@ 1psi / 0.7 N/cm²) | .200 mm (200 microns) |
| Nominal Thickness (@ 7.3psi / 5.1 N/cm²) | .190 mm (190 microns) |
| Nominal Basis Weight | 36 g/m3 |
| Break Strength machine direction | 5.0 MPa |
| Break Strength cross machine direction | 3.5 MPa |
| Stiffness machine direction | 9.5 Taber |
| Stiffness cross machine direction | 3.5 Taber |
| Bulk Density (@ 0.69 N/cm3 / 1psi) | 0.20 g/cm3 |
| Air Permeability (Gurley) through-plane | 4.5 sec/100cc |
| Air Permeability (Gurley) in-plane | 50.9 sec/100cc |
| Compressibility ((22N - 113N)/22 x 100%) | 14.0% |
| Through-Plane Resistivity | 8.0 mOhm*cm² |
| PTFE Treatment | None |
| Microporous Layer (MPL) | None |
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