Steatite Ceramic Main Features
1. High resistivity
2. Moderate strength
3. Excellent electrical properties
4. Low coefficient of thermal expansion
5. Good mechanical stability
Product Introduction
PRODUCT DESCRIPTION
Steatite Ceramic usuallly called C221 High frequancy ceramic, which is the most common ceramic material, offering excellent electrical insulation properties together with high resistivity and , but relatively low strength.
Applications : (1) Ceramic Band Heater Insulator; (2) Heating element holders; (3) Stand off Insulators;(4) Interlocking Insulating Beads; (5) Split bush insulators;(6) Lamp bases and caps; (7) Regulator parts
Technical Parameter
| Properities | Unit | Steatite Ceramic | 95% Alumina Ceramic | 99% Alumina Ceramic |
| Density | g/cm3 | 2.7 | 3.6 | 3.8 |
| Flexural strength | Mpa | 145 | 300 | 300 |
| Hardness | Gpa | 5.7 | 7 | 10.7 |
| Elastic modulus | Gpa | 120 | 275 | 320 |
| Poissons ratio | - | 0.21 | 0.22 | 0.22 |
| Linear expansion coefficient | x 10-6/℃ | 7.9 | 7.1 | 7.8 |
| Thermal conductivity | w/(m.k) | 2.5 | 20 | 25 |
PRODUCTION PROCESS
PACKAGING & SHIPPING
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Phone
+86 183 5151 6951
Location
Qianluo Village, Dingshu Town, Yixing City, Jiangsu Province, China
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