|
Composition |
UNIT |
Alumina 95 |
Alumina 99 |
Alumina 99.7% |
|
AL2O3 Content |
% |
95 |
99 |
99.7 |
|
Color |
|
White |
Ivory |
Ivory |
|
Tensile Strength |
Kpsi |
32 |
38 |
36 |
|
Flexural Strength |
Kpsi |
52 |
55 |
54 |
|
Compressive Strength |
Kpsi |
300 |
377 |
350 |
|
Density |
g/cc |
3.70 |
3.90 |
3.92 |
|
Hardness |
HV, GPa |
13.8 |
17.2 |
18 |
|
Thermal Conductivity |
W/(m K) |
25 |
30 |
30 |
|
Coefficient of Thermal Expansion |
In / In°C (x10-6) |
7.7 |
7.8 |
7.8 |
|
Working Temperature |
°C |
1500 |
1650 |
1750 |
|
Dielectric Constant |
|
9.5 |
9.7 |
9.8 |
|
Volume Resistivity (25°C) |
Ohm-cm |
>1014 |
>1014 |
>1014 |
*Customized services can be available according to specific drawings.
