ceramic insulator
Yong Zhang
Contact person
Basic Information
| Place of Origin | Jiangsu China (Mainland) |
|---|---|
| Brand Name | shenxing |
Detailed Product Description Performance: 1). Material: 99% Al2O3 2). Forming method: hot pressure casting95%/99%/99.7% Al2O3 Material Parameters: Item Test Condition Unit&Symbol 95%Alumina ceramics 99%Alumina ceramics 99.7%Alumina ceramics The main chemical ingredient Al2O3 Al2O3 Al2O3 Bulk Density g/cm3 3.6 3.89 3.96 Maximum Use Temperature 1450°C 1600°C 1650°C Water absorption % 0 0 0 ROHS Hardness ≥85 ≥89 ≥89 Flexural strength 20° C MPa (psi x 103) 358 (52) 550 550 Compressive Strength 20° C MPa (psi x 103) 2068 (300) 2600(377) 2600(377) Fracture Toughness K(I c) Mpa m1/2 4-5 5.6 6 Coefficient of thermal expansion 25-1000° C 1X 10-6/°C 7.6 7.9 8.2 Coefficient of thermal conductivity 20° C W/m °K 16 30.0 30.4 Thermal Shock Resistance Tc °C 250 200 200 Dielectricity constant 1MHz.25°C 9 9.7 9.7 Dielectric strength ac-kV/mm (ac V/mil) 8.3 (210) 8.7 (220) 8.7 (220) Volume Resistivity 100°C ohm-cm > 1013 > 1014 > 1014
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