Carbon-Black Filled PTFE Gasket

Cat No:FCSM-0063

Description

Electrically conductive gasket material designed for internal sealing of fuel cell stacks where both gas tightness and grounding are required.

Datasheet

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Basic Information

Material Composition	PTFE / Carbon Black
Thickness (μm)	500
Density (g/cm³)	2.1
Surface Resistance (mΩ·cm²)	< 50
Tensile Strength (MPa)	15
Thermal Conductivity (W/m·K)	0.8
Porosity (%)	< 2
Operating Temp Max (°C)	260
Flexural Strength (MPa)	N/A
Corrosion Resistance (μA/cm²)	Excellent
Contact Angle (°)	115
Gas Permeability (cm³/cm²·s)	< 10⁻⁸
Coefficient of Thermal Expansion (10⁻⁶/K)	110
Shore Hardness	65 (Shore D)
Water Uptake (%)	< 0.05
Ash Content (%)	15 (Carbon)
Mean Pore Size (μm)	N/A
Compressive Strength (MPa)	18
Electrical Conductivity (S/cm)	20
Specific Surface Area (m²/g)	12
Young's Modulus (GPa)	0.6
Chemical Stability	Acid Stable
Coating Material	None
Surface Roughness (Ra)	1.2

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