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AvCarb EP40T

AvCarb EP40T 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 EP40T substrates are highly durable, both chemically and mechanically.

Product Description

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 : 43 g/m3
Break Strength machine direction : 6.5 MPa
Break Strength cross machine direction : 4.0 MPa
Stiffness machine direction : 22 Taber
Stiffness cross machine direction : 4.5 Taber
Bulk Density (@ 0.69 N/cm3 / 1psi) : 0.22 g/cm3
Air Permeability (Gurley) through-plane : 7.5 sec/100cc
Air Permeability (Gurley) in-plane : 75 sec/100cc
Compressibility ((22N – 113N)/22 x 100%) : 10.5%
Through-Plane Resistivity : 13.0 mOhm*cm²
PTFE Treatment : 13 wt%
Microporous Layer (MPL) : None

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