White porcelain ring
Key words:
Electronic ceramic products
Classification:
Thermostat ceramic
The thermostat series made from 95% alumina (AL2O3) is widely used in electrical appliances, electric heating, refrigeration ventilation equipment, and many other industries. It not only has excellent reliability and practicality but also offers a high value-to-cost ratio due to its mass production.
Main technical parameters of the thermostat series ceramic:
| Item |
Testing Environment |
Unit |
Index |
| Main Component |
|
|
Contains α-AL2O3 (95%) |
| Bulk Density |
|
|
≥3.6 |
| Flexural Strength |
|
MPa |
280 |
| Linear Expansion Coefficient |
20~100℃ |
X10-6mm/℃ |
6.5~8.5 |
| Dielectric Constant |
1MHz·20℃ |
|
9~10 |
| Dissipation Factor |
20℃ |
tgδ(10-4) |
2~3 |
| 80℃ |
2~3 |
||
| After Humidity |
2.2~3.5 |
||
| Volume Resistivity |
100℃ |
Ω·cm |
1014 |
| Breakdown Strength |
|
KV/mm |
15~25 |
| Chemical Stability |
1:9 HCl |
mg/cm2 |
≤7.5 |
| 10% NaOH |
≤0.2 |
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