Al2O3 97%

세라바이

AL2O3 97%

Density g/cm3 3.8~3.85
Flexural strength MPa 320
Fracture toughness MPa·m1/2 4.5
Dielectric constant εr(20℃,1MHz) 9.2
Hardness GPa 15
Hardness HRC 79
Volume resistivity Ω·cm(20℃) 10^14
Elastic modulus GPa 350
Coefficient of  thermal  expansion ×10-6/k 7.6
Compressive strength MPa 2100
Abrasions g/cm2 0.1
Thermal  conductivity W/m×k(20℃) 24~27
Poisson's ratio / 0.22
Insulation strength kv/mm 28
Temperature 1650