Spectracarb 2050A-0850

SKU: 600850.
Category: .
Price: $14.00$91.00
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  • Technical Details
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Product Description

Spectracarb™ 2050A-0850 Gas Diffusion Layer (GDL) is a heavy duty porous “graphitized” resin bonded carbon fiber paper with low compressibility and with general utility for a range of PEM fuel cell applications, including both commercial and military applications.

Spectracarb 2050 Gas Diffusion Layer (GDL) sheets are specifically designed for use in PEM, DMFC and PAFC fuel cells, Electrolyzers, Humidifiers and other Electrochemical Devices and optimized for:

  • Electrical Conductivity
  • Mechanical Strength and Durability
  • Gas/Air Permeability
  • Water Management

Spectracarb GDLs are produced in the USA and are available in a wide range of standard and custom grades, densities, sizes and materials for fuel cells, electrolyzers, humidifiers, specialty batteries and other electrochemical applications.

Technical Details

Weight lbs
Dimensions N/A
Material Type

Carbon Fiber Paper


.203 mm (203 microns)

Basic Weight

88 (g/cm2)


0.50 g/cm3

Compressive Strength

2.1 MPa

Flexural Stiffness

9.5 GPa

Flexural Strength (MPa)

40 MPa

Air Permeability (Through-Plane

35 cfm/ft²

Electrical Resistivity (Through-Plane)

18 mΩcm²

Electrical Resistivity (in plane)

5.4 mΩcm

Thermal Conductivity - Through-Plane (@ 25°C)

3.4 W/m·K

Thermal Conductivity - Through-Plane (@ 100°C)

3.6 W/m·K

Thermal Conductivity - In-Plane (@ 25°C)

20.7 W/m·K

Thermal Conductivity - In-Plane (@ 100°C)

24.2 W/m·K

Tensile Strength - max. (MPa)

MD: 4.2 and XMD: 2.6

PTFE Content


Microporous Layer (MPL)



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