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[China]
Trade Verify
Address: No. 923 Luojian Village, Dingshu Town, Yixing City, Jiangsu Province, China.
Contact name:Ivy
Jiangsu Yubei Ceramics Co., Ltd. |
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Verified Suppliers
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Factory Manufacture Alumina Ceramic Ring 99% Al2O3 Ring
The alumina ceramics are high toughness, high bending strength, high wear resistance, comprehensive heat-insulating property and low thermal expansion coefficients. They are widely used in aerospace, military, chemical, refractory and electrical apparatus industries.
Products can be produced according to your drawings or samples.
* 99% alumina ceramic material
* Customized according to drawings or samples
* Cold isostatic pressing process
* Finish machining
* 20-30 days deliver time generally
* Carton or wooden case or pallet packing
| Properties | Item | Unit | 99% Alumina | 95% Alumina |
| Mechanical Property | Color | -- | Light Yellow | White |
| Mechanical Property | Density | g/cm3 | 3.85 | 3.6 |
| Mechanical Property | Bending Strength | MPa | 310 | 300 |
| Mechanical Property | Compressive Strength | MPa | 2400 | 2300 |
| Mechanical Property | Elastic Modulus | GPa | 340 | 320 |
| Mechanical Property | Fracture Toughness | MPam1/2 | 3-4 | 3-4 |
| Mechanical Property | Weber Coefficient | m | 12 | 12 |
| Mechanical Property | Vickers Hardness | HV0.5 | 1600 | 1400 |
| Thermal Property | Coefficient of Line Thermal Expansion | 10-6K-1 | 7-8 | 7-8 |
| Thermal Property | Thermal Conductivity | W/mK | 29 | 20 |
| Thermal Property | Thermal Shock Resistance( in water) | ΔT℃ | 200 | 250 |
| Thermal Property | Max Working Temperature | ℃ | 1600 | 1500 |
| Electrical Property | Volume Resistance at 20℃ | Ωcm | >1014 | >1014 |
| Electrical Property | Dielectric Strength | V/m | 15X106 | 15X106 |
| Electrical Property | Dielectric Constant | εr | 10 | 9 |
99% Alumina Ceramic Rings
