alumina tube, ceramic tube, thermcouple tube
|
Item |
Index |
|
Al2O3 (%) |
≥95 |
|
Direct Current Breakdown Strength (Kv/mm) |
≥20 |
|
Dielectric Constant (ε 0.5-5MHz) |
8.5-9.6 |
|
Specific Volume Resistance ( Ω·m 25Ω·) |
5 x 1012 |
|
Coefficient of Heat Conductivity (W/mk 25) |
21.8 |
|
Thermal Expansivity (room temperature to 500 ) |
7 x 10-6 |
|
Max. working temperature () |
1540 |
|
Hardness |
≥87 |
|
Bulk Density (g/cm3) |
≥3.6 |