Cordierite vs. Wollastonite

Both cordierite and wollastonite are oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is cordierite and the bottom bar is wollastonite.

Cordierite Wollastonite

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa		420
Compressive (Crushing) Strength, MPa		260

Density, g/cm³		2.0 to 2.2
Density, g/cm³		2.8

Dielectric Constant (Relative Permittivity) At 1 MHz		4.7
Dielectric Constant (Relative Permittivity) At 1 MHz		3.5

Dielectric Strength (Breakdown Potential), kV/mm		7.7
Dielectric Strength (Breakdown Potential), kV/mm		6.0

Flexural Strength, MPa		17 to 32
Flexural Strength, MPa		100

Maximum Temperature: Mechanical, °C		1150
Maximum Temperature: Mechanical, °C		1200

Thermal Conductivity, W/m-K		1.3 to 1.7
Thermal Conductivity, W/m-K		0.8

Cordierite vs. Wollastonite

Material Properties

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