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Zirconia vs. Wollastonite

Both zirconia and wollastonite are oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

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

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 1260 to 3080
260
Density, g/cm3 5.7 to 6.0
2.8
Dielectric Constant (Relative Permittivity) At 1 MHz 28
3.5
Dielectric Strength (Breakdown Potential), kV/mm 7.7 to 9.0
6.0
Flexural Strength, MPa 630 to 970
100
Maximum Temperature: Mechanical, °C 500 to 1330
1200
Thermal Conductivity, W/m-K 2.2 to 4.3
0.8