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Product Details:
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| Features: | Excellent Wear Resistance; Chemical Inertness; No Grinding In The Product To Be Crushed; Long Service Life | Material: | Aluminum Nitride (AlN), Silicon Carbide, Alumia |
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| Size: | Customized | Color: | Black, White |
| Highlight: | Electrical Insulation Technical Ceramic Parts,Chemical Inertness Technical Ceramic Parts,chemical inertness Electrotechnical Ceramics |
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Electrotechnical ceramics with excellent electrical insulation properties
Related Data
| Main component | 99%Al2O3 | S-SiC | ZrO2 | Si3N4 | ||
| Physical Property |
Density | g/cm3 | 3.9 | 3.1 | 6 | 3.2 |
| Water Absorption | % | 0 | 0.1 | 0 | 0.1 | |
| Sinter Temperature | °C | 1700 | 2200 | 1500 | 1800 | |
| Mechanical Property |
Rockwell Hardness | HV | 1700 | 2200 | 1300 | 1400 |
| Bend Strength | kgf/mm2 | 3500 | 4000 | 9000 | 7000 | |
| Compression Intensity | Kgf/mm2 | 30000 | 20000 | 20000 | 23000 | |
| Thermal Property |
Maximum working temperature |
°C | 1500 | 1600 | 1300 | 1400 |
| thermal expansion coefficient 0-1000°C |
/°C | 8.0*10-6 | 4.1*10-6(0-500°C) | 9.5*10-6 | 2.0*10-6(0-500°C) | |
| 5.2*10-6(500-1000°C) | 4.0*10-6(500-1000°C) | |||||
| Thermal Shock resistance | T(°C) | 200 | 250 | 300 | 400-500 | |
| Thermal Conductivity | W/m.k(25°C | 31 | 100 | 3 | 25 | |
| 300°C) | 16 | 100 | 3 | 25 | ||
| Electrical Property |
Resisting rate of Volume | ◎.cm | ||||
| 20°C | >1012 | 106-108 | >1010 | >1011 | ||
| 100°C | 1012-1013 | – | – | >1011 | ||
| 300°C | >1012 | – | – | >1011 | ||
| Insulation Breakdown Intensity |
KV/mm | 18 | semiconductor | 9 | 17.7 | |
| Dielectric Constant (1 MHz) | (E) | 10 | – | 29 | 7 | |
| Dielectric Dissipation | (tg o) | 0.4*10-3 | – | – | – | |
Technical ceramics is widely used in electrical engineering due to its properties:
Main applications of electrotechnical ceramics:
Main material execution:
Contact Person: Daniel
Tel: 18003718225
Fax: 86-0371-6572-0196
