AvCarb P75

Brand: AvCarb Material Solutions
Product Code: 18070009

From $32.00

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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.

AvCarb P75 is the base substrate used in the gas diffusion layers: GDS2230, GDS2240, GDS22100, and GDS2120.

AvCarb Carbon Paper Properties
Material Type Carbon Paper Substrate
Nominal Thickness (@ 1psi / 0.7 N/cm²) .245 mm (245 microns)
Nominal Thickness (@ 7.3psi / 5.1 N/cm²) .205 mm (205 microns)
Nominal Basis Weight 75 g/m3
Break Strength machine direction 6.5 MPa
Break Strength cross machine direction 3.9 MPa
Stiffness machine direction 20.0 Taber
Stiffness cross machine direction 3.5 Taber
Bulk Density (@ 0.69 N/cm3 / 1psi) 0.29 g/cm3
Air Permeability (Gurley) through-plane 15 sec/100cc
Air Permeability (Gurley) in-plane 83 sec/100cc
Compressibility ((22N - 113N)/22 x 100%) 10.7%
Through-Plane Resistivity 7.8 mOhm*cm²
Substrate PTFE Treatment None
Microporous Layer (MPL) None

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