Wollastonite vs. Cordierite

Both wollastonite and cordierite 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 wollastonite and the bottom bar is cordierite.

Wollastonite Cordierite

Metric UnitsUS Customary Units

Material Properties

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

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

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

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

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

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

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

Wollastonite vs. Cordierite

Material Properties

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