Carbon Fiber PAN-based (IM7 intermediate modulus) vs Expanded Graphite (Compressed Flexible Sheet rho~1.1)
Property comparison of Carbon Fiber PAN-based (IM7 intermediate modulus) and Expanded Graphite (Compressed Flexible Sheet rho~1.1), both carbon graphite.
| Property | Carbon Fiber PAN-based (IM7 intermediate modulus) | Expanded Graphite (Compressed Flexible Sheet rho~1.1) | Difference |
|---|---|---|---|
| Tensile strength | 5,516 MPa | 8 MPa | -100% |
| Density | 1,780 kg/m³ | 1,100 kg/m³ | -38% |
| Thermal conductivity | 4 W/m·K | 200 W/m·K | +4900% |
| Specific heat | 710 J/kg·K | 720 J/kg·K | +1% |
| Coefficient of thermal expansion | -0 1/K | 0 1/K | +100% |
Difference is Expanded Graphite (Compressed Flexible Sheet rho~1.1) relative to Carbon Fiber PAN-based (IM7 intermediate modulus). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
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