Silicon Carbide SiC

Silicon Carbide is a light, extremely hard, and corrosion resistant material which makes it a strong candidate for wear applications in the harshest environments. Silicon Carbide also offers other desirable properties such as excellent thermal conductivity and high young modulus.


  • Semiconductor Process Equipment Parts
  • General Industrial machinery parts
  • Abrasion resistance part

Silicon Carbide Ceramics


General Properties Main Component Purity (wt%) 97
Color Black
Density (g/cm3) 3.1
Water Absorption (%) 0
Mechanical Properties Bending Strength (MPa) 400
Young's Modulus (GPa) 400
Vickers Hardness (GPa) 20
Thermal Properties Max.Operating Temperature (°C) 1600
Coefficient of Thermal Expansion (1/°C×10-6) RT~500°C 3.9
RT~800°C 4.3
Coefficient of Thermal Conductivity (W/m×K) 130
Thermal Shock Resistance ΔT (°C) 300
Electrical Properties Volume Resistivity 25°C 3×106
300°C -
500°C -
800°C -
Dielectric Constant 10GHz -
Dielectric Loss (×10-4) -
Q Factor (×104) -
Dielectric Breakdown Voltage (KV/mm) -