Material Specification

Cordierite

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.

• Steatite
• Alumina
• Titania
• Zirconia
• Cordierite