Yixing Hengyuan Ceramic Technology Co., Ltd.
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Cordierite ceramics are one of the common low thermal expansion ceramics. Foreign researchers began researching and developing cordierite over 100 years ago and first synthesized it in the 1880s, naming it Cordierite.
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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 |
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Fracture Toughness
| K(I c) | Mpa m1/2 | - |
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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 |
