Expanded Graphite Sealing Ring
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Expanded Graphite Sealing Ring

Expanded Graphite Sealing Ring

Cat No:FCSM-0049

Description

Precision-formed expanded graphite rings designed for high-temperature gas-tight sealing in SOFC stack manifolds and hydrogen distribution systems.

Basic Information

Material Composition Expanded Natural Graphite
Thickness (μm) 1500
Density (g/cm³) 1.2
Surface Resistance (mΩ·cm²) < 15
Tensile Strength (MPa) 4.5
Thermal Conductivity (W/m·K) 120 (Radial)
Porosity (%) 8
Operating Temp Max (°C) 600
Flexural Strength (MPa) N/A
Corrosion Resistance (μA/cm²) N/A
Contact Angle (°) 95
Gas Permeability (cm³/cm²·s) < 10⁻⁷
Coefficient of Thermal Expansion (10⁻⁶/K) 1.2
Shore Hardness 55 (Shore A)
Water Uptake (%) < 0.5
Ash Content (%) < 0.1
Mean Pore Size (μm) N/A
Compressive Strength (MPa) 25
Electrical Conductivity (S/cm) 900
Specific Surface Area (m²/g) 30
Young's Modulus (GPa) 1.5
Chemical Stability Chemically Inert
Coating Material None
Surface Roughness (Ra) 1.2

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