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Specifications
steatite ceramic insulator-High resistivity
-Heat resistant
-Excellent electrical properties
-Steatite
precision ceramics fine ceramics steatite ceramic insulator
Features
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products, electric heating products and wear resistant machinery parts.
We can supply the products according to customer's drawings, samples and performance requirement.
low loss at high frequency. Good insulating , high strength, , low dielectric constant, Great mechanical strength, high air tightness, high chemical stability, etc. We can produce all kinds of ceramic holders, ceramic support, ceramic tubes, ceramic pipe, ceramic ring, etc. Widely used in electronic components, electronic device and electric products. Our products meet the international standards. | |||||
| Item |
Unit | Steatite ceramic | 95 Al2O3 | 96 Al2O3 | |
| Physical Characteristics | Bulk density | g/cm3 | 2.7 | 3.6 | 3.6 |
| Water absorption | % | 0 | 0 | 0 | |
|
Mechanical Characteristics |
Flexural strength |
Mpa | 145 | 320 | 340 |
| Hardness Vickers | Gpa | 5.7 | 12.2 | 13.5 | |
| Elastic modulus | Gpa | 120 | 280 | 320 | |
| Poisson’s ratio | - | 0.21 | 0.22 | 0.23 | |
| Thermal Characteristics | Linear expansion coefficient | (20-5000C) 10-6/0C | 7.9 | 7.1 | 7.2 |
| Thermal conductivity | w/(m.k) | 2.5 | 16 | 24 | |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | |
| Electrical Characteristics | Dielectric constant(1MHZ) | - | 6.2 | 9 | 9.4 |
| Dielectric loss angle | *10-4 | 18 | 15 | 5 | |
| Dielectric strength | *106V/m | 18 | 12 | 15 |
|
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