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Electronic insulation 95% 99% alumina ceramic switch
An alumina ceramic switch is a type of switch that utilizes advanced ceramics, specifically alumina ceramics, as its main component. Alumina ceramics are known for their excellent electrical insulation properties, making them ideal for applications that require high voltage or high-frequency switching.
The ceramic switch is designed to control the flow of electrical current by either allowing or blocking the passage of electricity. It is commonly used in various electronic devices and systems, such as power distribution systems, circuit breakers, and high-voltage switches.
One of the key features of alumina ceramic switches is their ability to withstand high temperatures and resist thermal shock. This makes them suitable for applications in harsh environments where temperature fluctuations are common.
Additionally, alumina ceramic switches are highly durable and resistant to wear and corrosion, ensuring long-term reliability and performance. They also exhibit excellent dielectric properties, making them effective insulators that can prevent electrical leakage and ensure safe operation.
| 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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Main Product:
Advanced Ceramics,
Engineering Ceramics,
Ceramic Disc ,
Ceramic Insulator,
Precision Ceramics,
Electrical Ceramics
