yixing haiyu refractory co.,ltd
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steatite Mineral talc ceramic high-frequency insulation media loss electronic parts
Product name : Talc Porcelain
Specification : HY-HSC
Introduction of talc porcelain :
Talc porcelain is made of mineral talc ( 3MgO.4SiO2.H2O ) as the main raw material, adding appropriate amount of clay and BaTiO3 and other ingredients by mixing grinding, molding and high temperature sintering. The main crystal phase of talc porcelain is the original enstatite, that is, magnesium metasilicate ( chemical formula is Mgsio3 ). It is a high-frequency structural ceramic with excellent electrical properties, dielectric loss, and low price. It is mainly used in high-frequency coil skeletons, electrical and radio equipment, lead terminals, insulators, and various wiring board tubes and switches. It has high insulation strength, no fatigue and aging, and good electrical performance.
Technical performance :
|
performance |
mechanical property
|
thermal performance
|
electrical property | |||||||
| volume density | hardness | break off strengh (20℃) | compressive strengh (20℃) | Max-service tempera- ture | thermal shock resistance | coefficient of linear expansion | Dielectric thermal wire | electrical piano puncture strength | volume resistivity (25℃) | |
|
unit |
G/cm3 |
Gpa |
Mpa |
Mpa |
℃ |
850℃~20℃ |
X10-6mm/℃ |
1MHZ |
KV/mm |
Ω-cm |
|
index |
＞2.7 |
- - |
179 |
1150 |
1300 |
10
|
8 |
＜6.5 |
20 |
1014 |
