Caplinq Spectracarb™ 2050A-1550 GDL Porous Carbon-Carbon Paper

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Caplinq Spectracarb™ 2050A-1550 GDL Porous Carbon-Carbon Paper
Categories:	Carbon; Carbon Fiber/Carbon Fibre; Other Engineering Material; Composite Fibers
Material Notes:	SpectracarbTM 2050A-1550 GDL is a heavy duty porous graphitized carbon /carbon sheet with low compressibility and with general utility for a range of PEM fuel cell applications, including both commercial and military applications. Special 1550-HT grade also available for use in PAFS fuel cells for higher electrical and thermal conductivities, as well as increased corrosion resistance. Information provided by Caplinq
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Physical Properties	Metric	English	Comments

Density	0.500 g/cc	0.0181 lb/in³	Geometric
Porosity	78 %	78 %
Permeability	35	35	[cfm/ft2], through-plane, Air
Thickness	351 microns	13.8 mil

Mechanical Properties	Metric	English	Comments
Flexural Strength	40.0 MPa	5800 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00540 ohm-cm	0.00540 ohm-cm	in-plane
	0.0150 ohm-cm @Pressure 0.200 MPa	0.0150 ohm-cm @Pressure 29.0 psi	[O·cm2], through-plane

Thermal Properties	Metric	English	Comments
Thermal Conductivity	3.40 W/m-K @Temperature 25.0 °C	23.6 BTU-in/hr-ft²-°F @Temperature 77.0 °F	through-plane
	3.60 W/m-K @Temperature 100 °C	25.0 BTU-in/hr-ft²-°F @Temperature 212 °F	through-plane
	20.7 W/m-K @Temperature 25.0 °C	144 BTU-in/hr-ft²-°F @Temperature 77.0 °F	in-plane
	24.2 W/m-K @Temperature 100 °C	168 BTU-in/hr-ft²-°F @Temperature 212 °F	in-plane

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PCAPL1021 / 256021

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