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Carbon Fiber Pitch-based High Modulus (K1100 / Thornel) vs Diamond (CVD Polycrystalline)

Property comparison of Carbon Fiber Pitch-based High Modulus (K1100 / Thornel) and Diamond (CVD Polycrystalline), both carbon graphite.

Carbon Graphite5 compared properties
PropertyCarbon Fiber Pitch-based High Modulus (K1100 / Thornel)Diamond (CVD Polycrystalline)Difference
Tensile strength2,410 MPa470 MPa-80%
Density2,130 kg/m³3,510 kg/m³+65%
Thermal conductivity600 W/m·K1,800 W/m·K+200%
Specific heat710 J/kg·K509 J/kg·K-28%
Coefficient of thermal expansion-0.000002 1/K0.000002 1/K+225%

Difference is Diamond (CVD Polycrystalline) relative to Carbon Fiber Pitch-based High Modulus (K1100 / Thornel). 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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