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Carbon fiber needled felt (pitch-based) | ||||
Properties | Unit | Value | ||
Fixed carbon | % | >93(The actual carbon content is up to 95%~97%) | ||
Diameter | μm | 10~20 | ||
Density | g.cm-3 | 1.6~1.8 | ||
Tensile strength | GPa | 0.5~1.2 | ||
Tensile modulus | GPa | >30 | ||
Breaking elongation | % | 0.9~2.0 | ||
Coefficient of thermal expansion | ℃ | -1 1.7x10-6 | ||
Coefficient of thermal conductivity | w/m·k | >30 | ||
Resistivity | µΩ·m | <45 | ||
Ash content | ppm | <200 |