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Hengsheng Electronic Ceramics CO.,Ltd
Add:Yuanyi village, Shang Mei Town, Xinhua County,Hunan, China
Tel:(86) 7383352688
Fax:(86)- 7383516265
Mob:(86)13973802265
E-mail:chenys@hengshengdt.cn
Hengsheng Electronic Ceramics CO.,Ltd All Rights Reserved
Description
Temperature controllers with 95% alumina (AL2O3) are widely used in electrical appliances, electrothermal refrigeration ventilation equipment and many other industries. It not only has excellent reliability and practicability, but also has a high value-cost ratio because of its large-scale production.
Main technical parameters of ceramics for thermostat series:
Item | detection environment | unit | index |
Main Components | Containing alpha-AL2O3 (95%) | ||
Volume density | ≥ 3.6 | ||
Flexural strength | MPa | 280 | |
Linear expansion coefficient | 20~100℃ | X10-6mm/℃ | 6.5~8.5 |
Dielectric constant | 1MHz·20℃ | 9~10 | |
Dielectric loss Angular tangent |
20℃ | tgδ(10-4) | 2~3 |
80℃ | 2~3 | ||
After dampness | 2.2~3.5 | ||
Volumetric resistivity | 100℃ | Ω·cm | 1014 |
Breakdown strength | KV/mm | 15~25 | |
Chemical stability | 1:9HCI | Mg/cm2 | ≤ 7.5 |
10%NaoH | ≤ 0.2 |
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