Dec 17 2009
Cordierite is a magnesium alumino silicate material characterized by its ability to work at high temperatures and offers good thermal shock resistance.
Chemical Formula of Cordierite
The chemical of Cordierite is provided in the table below:
| Property |
Value* |
| Chemical Formula |
2MgO-2Al2O3-5SiO2 |
* All properties are at room temperature unless otherwise noted.
Mechanical Properties of Cordierite
The mechanical properties of Cordierite are mentioned in the table below:
| Property |
Value* |
| 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 |
* All properties are at room temperature unless otherwise noted.
Electrical Properties of Cordierite
The electrical properties of Cordierite are mentioned in the table below:
| Property |
Value* |
| Dielectric Strength |
212 ac V/mil |
| Dielectric Constant |
5(@ 1 MHz) |
| Volume Resistivity |
1011 ohm-cm |
* All properties are at room temperature unless otherwise noted.
Thermal Properties of Cordierite
The thermal properties of Cordierite are mentioned in the table below:
| Property |
Value* |
| 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.
About Insaco
If you are considering an engineering application that you feel may be suited to Cordierite then Insaco with 65 years of experience is second to none.
They have many decades of experience on machining and polishing Cordierite materials for a wide range of applications and have been involved in many of the applications above when they were in their infancy.
Presently they have an 85,000 ft2 facility with more than 300 machine tools capable of grinding and polishing glass ceramics and other ceramic materials to useful geometries and tolerances.
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This information has been sourced, reviewed and adapted from materials provided by INSACO Inc.
For more information on this source, please visit INSACO Inc.