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High-Purity Wear-Resistant Alumina Ceramic Seal Ring
High-purity wear-resistant Al2O3 Ceramics seal rings are one type of Ceramic Guides which are used in various industrial applications where a high level of wear resistance and chemical inertness is required. Ceramic ring is made from high-purity alumina ceramic, which is a material known for its excellent mechanical properties and resistance to abrasion, corrosion, and thermal shock.
The wear-resistant properties of alumina ceramic make it suitable for use in sealing applications where there is a high level of friction and wear. These seal rings are commonly used in pumps, valves, and other equipment that handle abrasive fluids or gases. They provide a long service life and help to minimize downtime and maintenance costs.If you are interested in our productions，Welcome to contact us！
Technical Parameters:
| Item | Unit | Al2O3 95％－97％ | Al2O3 99％ |
| Desity | g/cm3 | 3.7 | 3.85 |
| Flexural Strength | Mpa | 300 | 340 |
| Compressive Strength | Mpa | 3400 | 3600 |
| Modulus of Elaslicity | Gpa | 350 | 380 |
| Impact Resistance | Mpa m1/2 | 4.0 | 5 |
| Weibull Moudulus | m | 10.0 | 10 |
| Vickers Hardness | HV0.5 | 1200.0 | 1300 |
| Thermal Expansion Coefficent | 10-6K-1 | 5.0-8.3 | 5.4-8.3 |
| Thermal Conductivity | W/mK | 24 | 27 |
| Thermal Shork Resistance | △T℃ | 250 | 270 |
| Maximum Use Temperature | ℃ | 1600 | 1650 |
| Volume Resistivity at 20℃ | Ω | ≥1014 | ≥1014 |
| Dielectric Constant | KV/mm | 20 | 25 |
| Open Porosity | % | 0 | 0 |
| Dielectric Constant | ξr | 10 | 10 |
| Dielectric Loss Angle | Tanσ | 0.001 | 0.001 |
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Advanced Ceramics,
Engineering Ceramics ,
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Electrical Ceramics
