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Audited Supplier Property |
Unit | 92% Alumina Ceramic | 95% Alumina Ceramic | 99% Alumina Ceramic | |
| Density | g/cm3 | ≥ 3.63 | ≥ 3.68 | ≥ 3.83 | |
| Water absorption | % | O | O | O | |
| Sintering temperature | °C | 1500-1700 | 1600-1800 | 1700-1800 | |
| Hardness | HV | ≥ 1400 | ≥ 1500 | ≥ 1650 | |
| Flexural strength | Kgf/cm2 | 3000 | 3000 | 3000 | |
| Compressive strength | Kgf/cm2 | 24000 | 25000 | 26000 | |
| Fracture toughness | Map.m3/2 | 3~4 | 3~4 | 4~5 | |
| Maximum temperature | °C | 1600 | 1700 | 1800 | |
| Coefficient of thermal expansion | /°C | 8*10-6 | 8*10-6 | 8*10-6 | |
| Heat shock | T(°C) | 220 | 220 | 220 | |
| Thermal conductivity | W/m.k(25-300°C) | 25 14 | 25 14 | 25 14 | |
| 20°C | >1012 | >1012 | >1012 | ||
| Volume resistivity | 100°C | >.cm | 1012-1013 | 1012-1013 | 1012-1013 |
| 300°C | >1010 | >1010 | >1010 | ||
| Insulation breakdown strength | KV/mm | 14 | 16 | 18 | |
| Dielectric constant | 100MHz(E) | 8.5 | 9 | 9.5 | |
Suppliers with verified business licenses
Audited Supplier 
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