China Ai203 Ceramic Customized Alumina Cermiac, Find details about China Alumina Cermiac, Ai203 Ceramic from Ai203 Ceramic Customized Alumina Cermiac
Test Item/Unit | Numerical Value | Test Item/Unit | Numerical Value | ||||
Product Material | Alumina | Zirconia | Product Material | Alumina | Zirconia | ||
Component Content % | ≥99% | ≥95% | ≥90% | Volume Resistance cm | >1012 | >1012 | >1012 |
Sintering Temp ºC | 1780-1800 | 1650-1680 | 1550-2600 | Bending Strength Mpa | 400 | 320 | 1100 |
Specific Gravity g/cm3 | ≥3.8 | ≥3.6 | >6 | Thermal Expansion Coefficient *10° | 6.8-8 | 6.2-8.5 | 6.9-10 |
Breakdown Voltage Strength kv/mm | 15 | 15 | 15 | Roughness μm | ≤0.8 | ≤0.8 | ≤0.8 |
Bibulous Rate % | <0.01 | <0.01 | <0.01 | Mirror Polished Ra | ≤0.05 | ≤0.1 | ≤0.05 |
Anti Pressure Mpa | 3700 | 2400 | 5000 | Thermal Conductivity W/m-k | 25 | 20 | 2.5 |
Hardness Hra | ≥88 | ≥82 | ≥88 | Temperature Resistance ºC | 1700 | 1600 | 1800 |
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