| Property* | Value |
|---|---|
| General | |
| Chemical Formula | 2MgO-2Al2O3-5SiO2 |
| Mechanical | |
| Density | 2.5 gm/cc |
| Hardness | 7 - 7.5 Mohs |
| Tensile Strength | 3.5 - 5.5 kpsi |
| Modulus of Elasticity | 12 x 106 psi |
| Flexural Strength | 8 - 17 kpsi |
| Compressive Strength | 30 - 51 kpsi |
| Electrical | |
| Dielectric Strength | 212 ac V/mil |
| Dielectric Constant | 5 (@ 1 MHz) |
| Volume Resistivity | 1011 ohm-cm |
| Thermal | |
| Coefficient of Thermal Expansion | 1.7 - 2.4 x 10-6/°C |
| Thermal Conductivity | 3 W/mK |
| Maximum Working Temperature | 500-1100 °C |
| All properties are at room temperature unless otherwise noted. Engineering data are representative, and are not intended as absolute nor warrantable. Manufacturer’s Data shown is blended from multiple sources and therefore illustrates the marketplace. | |
Wikipedia Reference for Cordierite
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