Our alumina 80% has superior heat resistance and material strength. It has been used primarily as a resistance dexterity support insulator.
Compared to alumina 96%, by lowering the alumina component while taking advantage of the characteristics, it can be offered at lower cost.
Characteristic
| Bulk Density : 3.3 g/cm3 | Charpy Test : 0.6N·m | Dielectric Strength : 10kV/mm |
| Water Absorption : 0.0% | Coefficient of Linear Thermal Expansion : 6.5～7.5×10-6/K | Volume Resistivity : >1014Ω·cm |
| Flexural Strength : 250MPa | Thermal Conductivity : 12.5W/m·K | Dielectric Constant : 9 |
| Compressive Strength : 1500MPa | Heat Shock Resistance : 250℃ |
Application
- Resistors for Rolling stocks
- Ceramics for electronic devices
