Carbon Fiber PAN-based (IM7 intermediate modulus) vs Carbon Fiber Pitch-based High Modulus (K1100 / Thornel)
Property comparison of Carbon Fiber PAN-based (IM7 intermediate modulus) and Carbon Fiber Pitch-based High Modulus (K1100 / Thornel), both carbon graphite.
| Property | Carbon Fiber PAN-based (IM7 intermediate modulus) | Carbon Fiber Pitch-based High Modulus (K1100 / Thornel) | Difference |
|---|---|---|---|
| Tensile strength | 5,516 MPa | 2,410 MPa | -56% |
| Elongation | 1.9 % | 0.25 % | -87% |
| Density | 1,780 kg/m³ | 2,130 kg/m³ | +20% |
| Thermal conductivity | 4 W/m·K | 600 W/m·K | +14900% |
| Specific heat | 710 J/kg·K | 710 J/kg·K | 0% |
| Coefficient of thermal expansion | -0 1/K | -0.000002 1/K | -300% |
Difference is Carbon Fiber Pitch-based High Modulus (K1100 / Thornel) 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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