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Customized High Heat 99% 95% 96% Al2O3 Alumina Ceramic Tube
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US$ 0.9
≥100 Pieces
US$ 0.2
≥1000 Pieces
Quick Details
Material:
Alumina Ceramic
Place of Origin:
Guangdong, China
Product name:
al2o3 ceramic tubes
Color:
White
Product Details
Customized High Heat 99% 95% 96% Al2O3 Alumina Ceramic Tube
Product Description
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.
Feature:
- A variety of specifications available
- Satisfy various technical request
- Lower medium spoilage
- Good insulation performance and high temperature resistance
- Stiffness texture
- Used in all electric products, electric heating products and wear resistant machinery parts
| Alumina Ceramic Performance | |||||
| Item | Unit | 95 Al2O3 | 96 Al2O3 | 99 Al2O3 | |
| Physical Characteristics | Heat resistance | ℃ | 1500 | 1550 | 1800 |
| Bulk dnsity | g/ cm ³ | 3.6 | 3.6 | 3.9 | |
| Water absorption | % | 0 | 0 | 0 | |
| Mechanical Characteristics | Flexural strength | Mpa | 320 | 340 | 360 |
| Hardness vickers | Gpa | 12.2 | 13.5 | 15.6 | |
| Elastic mdulus | Gpa | 280 | 320 | 370 | |
| Poisson'radio | 0.22 | 0.23 | 0.23 | ||
| Thermal Characteristics | Linear expansion coeffcient | (20-500℃)10^-6/℃ | 7.1 | 7.2 | 8 |
| Thermal conductivity | w/(m.k) | 16 | 24 | 32 | |
| Specific heat | *10^-3(kg*K) | 0.78 | 0.78 | 0.9 | |
| Electrical Characteristic | Dielectric constant(1MHZ) | - | 9 | 9.4 | 9.9 |
| Dielectric loss angle | *10^-4 | 15 | 5 | 1 | |
| Dielectric strength | *10^6V/m | 12 | 15 | 15 | |
We can supply the products according to customer's drawings, samples and performance requirement.
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