| Unit | Technical ceramics | |
|---|---|---|
| Material Material | Al2O3 > 99.9% | |
| Color Colour | White White |
|
| Density Density | g/cm3 | 3,9 |
| Flexural strength (4 P.-) Flexural strength (4 P.-) | MPa | 390 |
| Compressive strength Compressive strength | MPa | 3900 |
| Modulus of elasticity Modulus of elasticity | GPa | 390 |
| Impact Resistance Impact Resistance | MPa m1/2 | 5,2 |
| Weibull Module Weibull Modules | m | 12 |
| Hardness Vickers Hardness | HV 0.5 | 2000 |
| Thermal expansion Thermal expansion | 10-6K-1 | 5,5 - 8,4 |
| Thermal conductivity Thermal conductivity | W/mK | 28 |
| Temp. change resistance Thermal shock resistance | ΔT °C | 180 |
| Max. Operating temperature Maximum use temperature | °C | 1700 |
| Volume resistivity at 20 °C Volume resistivity at 20 °C | Ω cm | > 10^15 |
| Dielectric strength Dielectric strength | kV/mm | 30 |
| Dielectric constant Dielectric constant | εr | 10 |
| Dielek. Loss factor (10Mhz) Dielectric loss angle | tanδ | 0,0005 |
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