Ceramic Insulators for Heater Elements
Alumina ceramic is a kind of structural ceramic, which has the characteristics of insulation resistance, voltage resistance, high strength, good thermal conductivity, low dielectric loss and stable electrical performance.Used for electronic ceramic substrate, ceramic electrical insulation, vacuum devices, ceramic devices, spark plugs and other products.We can manufacture the parts by hot pressing, dry pressing, isostatic pressing, extrusion and other production processes.
Alumina ceramic is a kind of structural ceramic, which has the characteristics of insulation resistance, voltage resistance, high strength, good thermal conductivity, low dielectric loss and stable electrical performance.Used for electronic ceramic substrate, ceramic electrical insulation, vacuum devices, ceramic devices, spark plugs and other products.The product can be manufactured by hot press, dry press, 200T isostatic press, extrusion and other production processes.
95% alumina ceramic ring al2o3 parts
Ceramic Insulators for Heater Elements
Features:
1) There are many specifications to choose from.
2) Meet various technical requirements
3) Reduce medium loss
4) Good insulation and high temperature resistance
5) High strength
6) Applicable to all electrical products, electric heating products and wear-resistant mechanical parts.
7) Welcome OEM, ODM and OBM
95% alumina ceramic ring al2o3 parts
Ceramic Insulators for Heater Elements
| Performance For Alumina Ceramic | ||||
| Item | Unit | 95 Al2O3 | 99 Al2O3 | |
| Physical Characteristics | Bulk density | g/cm3 | 3.6 | 3.8 |
| Water absorption | % | 0 | 0 | |
|
Mechanical Characteristics |
Flexural strength | Mpa | 340 | 400 |
| Hardness Vickers | Gpa | 13.5 | 15.6 | |
| Elastic modulus | Gpa | 320 | 370 | |
| Poisson’s ratio | 0.23 | 0.23 | ||
| Thermal Characteristics | Linear expansion coefficient | (200C-5000C) 10-6/0C | 6.2-8.5 | 6.8-8 |
| Thermal conductivity | w/(m.k) | 24 | 32 | |
| Specific Heat | *10-3J/(kg*K) | 0.78 | 0.9 | |
| Electrical Characteristics | Dielectric constant (1MHZ) | 9.4 | 9.9 | |
| Dielectric loss angle | *10-4 | 5 | 1 | |
| Dielectric strength | *106V/m | 15 | 15 | |
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