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Zirconia vs. Potassium Chloride

Zirconia belongs to the oxide-based engineering ceramics classification, while potassium chloride belongs to the non-glass optical ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (17, 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 potassium chloride.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 5.7 to 6.0
2.0
Dielectric Constant (Relative Permittivity) At 1 MHz 28
4.6
Elastic (Young's, Tensile) Modulus, GPa 190 to 200
28
Poisson's Ratio 0.25 to 0.29
0.18
Specific Heat Capacity, J/kg-K 400 to 510
690
Stiffness to Weight: Axial, points 19
7.7
Stiffness to Weight: Bending, points 33 to 34
51
Thermal Conductivity, W/m-K 2.2 to 4.3
6.5
Thermal Diffusivity, mm2/s 0.73 to 1.8
4.7
Thermal Expansion, µm/m-K 8.8 to 9.5
36