Yixing Hengyuan Ceramic Technology Co., Ltd.
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Cordierite ceramics have the characteristics of low thermal expansion coefficient, low thermal conductivity, good thermal shock resistance, low dielectric constant, low dielectric loss, and good chemical stability, which make them widely used in metallurgy, electronics, automotive, chemical, environmental protection and other fields.
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Item
| Test Condition | Unit&Symbol | Cordierite Ceramics |
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The main chemical ingredient
| MgO, Al2O3,SiO2 | ||
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Bulk Density
| gm/cc | 2.6 | |
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Maximum Use Temperature
| 1400℃ | ||
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Hardness
| HV | 800 | |
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Bending Strength
| 20℃ | Kgf/cm2 | 900 |
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Compressive Strength
| 20℃ | Kgf/cm2 | 3500 |
|
Fracture Toughness
| K(I c) | Mpa m1/2 | - |
|
Thermal expansion
| 1X 10-6/℃ | ≤2.0 | |
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Thermal conductivity
| 25℃-30℃ | W/m.k | 1.3 |
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Thermal Shock Resistance
| Tc | ℃ | 250 |
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Dielectricity constant
| 1MHz.25℃ | 6 | |
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Dielectric strength
| ac-kV/mm (ac V/mil) | 10 | |
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Volume Resistivity
| 20℃ | ohm-cm | > 1012 |
