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Address: Dashu Industry Park, Nanyuan Village, Yichen Subdistrict, Yixing City, 214225, Jiangsu Province, China
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Yixing Minghao Special Ceramic Technology Co., Ltd. |
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95% Al2o3 Ceramic Shell insulation Ceramic parts
Alumina ceramic is a kind of structural ceramics, with insulation
resistance, voltage resistance, high strength, good thermal
conductivity, dielectric loss, stable electrical performance
characteristics. Used in electronic ceramic substrates, ceramic
electrical insulation, vacuum devices, devices porcelain, spark
plugs and other products.
Features:
1. A variety of specifications available
2. high temperature resistance
3. Low thermal conductivity
4. Chemical inertness
5. Good Wear resistance
6. High electrical insulation
7. Used in electronic ceramic substrates, ceramic electrical
insulation, vacuum devices, devices porcelain, spark plugs and
other products.
| Properties | Unit | Steatite ceramic | 95% Al2O3 | 99% Al2O3 | Zirconia Ceramic |
| Density | g/cm³ | 2.8 | 3.6 | 3.8 | 5.6 |
| Flexural strength | Mpa | 145 | 300 | 300 | 354 |
| Max Working Temperature | ℃ | 1100 | 1400 | 1600 | 1400 |
| Sintering temperature | ℃ | 1350 | 1700 | 1750 | 1550 |
| Heat resistance | T(℃) | 200 | 220 | 200 | 350 |
| Hardness | Gpa | 5.7 | 7 | 10.7 | 12.3 |
| Elastic modulus | Gpa | 120 | 275 | 320 | 205 |
| Poissons ratio | - | 0.21 | 0.22 | 0.22 | 0.30 |
| Linear expansion coefficient | x 10-6/℃ | 7.9 | 7.1 | 7.8 | 9 |
| Insulation breakdown Intensity | KT/mm | 10 | 16 | 18 | 15 |
| Thermal conductivity | w/(m.k) | 2.5 | 20 | 25 | 2.5 |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | 0.4 |
