CarSIK-GD

Bulk density (g/cm3)	3.15
Apparent porosity ( Vol. %)	0
Modulus of rupture (MPa)	280
Weibull modulus	10
Compressive strengths (MPa)	1,000
Modulus of elasticity (GPa)	360
Vickers hardness (MPa)	SiC 25,000 Si 9,000
Thermal expansion 20°-1,000°C Coefficient (1/°C)	4,9 x 10-6
Thermal conductivity (W/mK) 100°C 1,200°C	160 24
Specific heat (J/kgK) RT 1,300°C	600 1,200
Limit of application (°C) [Melting point silicon (°C)]	1,500 [1,380]
Chemical composition (wt.%) SiC free Si	92 7

The values quoted were determined on test specimens and cannot generally be applied to all shapes.

Picture:
Microstructure CarSIK-GD
Dark phase = SiC
Light phase = free Si