
Technical Parameter
Name |
Unit |
95% Al2O3 |
99.5% Al2O3 |
Density |
g/cm3 |
3.7 |
3.9 |
Flexural Strength |
MPa |
313 |
340 |
Compressive Strength |
MPa |
3400 |
3600 |
Modulus of Elasticity |
GPa |
350 |
380 |
Impact Resistance |
MPa·m1/2 |
4 |
5.1 |
Weibull Modulus |
m |
10 |
10 |
Vickers Hardness |
HV0.5 |
1800 |
1900 |
Thermal Conductivity |
W/mk |
24 |
27 |
Highest Application Temperature |
°C |
1600 |
1750 |
Volume Resistivity at 20°C |
Ω.cm20 |
>1014 |
>1014 |
Dielertric strength |
KV/mm |
20 |
25 |
Thermal expansion |
X10-6/K |
5.0-8.3 |
5.4-8.3 |