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Alumina Ceramics Insulators
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 |