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Cordierite vs. Zinc Sulfide

Cordierite belongs to the oxide-based engineering ceramics classification, while zinc sulfide belongs to the non-glass optical ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (16, 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 cordierite and the bottom bar is zinc sulfide.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.0 to 2.2
4.1
Elastic (Young's, Tensile) Modulus, GPa 62
75
Specific Heat Capacity, J/kg-K 800 to 850
520
Stiffness to Weight: Axial, points 15 to 17
10
Stiffness to Weight: Bending, points 59 to 67
34
Thermal Conductivity, W/m-K 1.3 to 1.7
27
Thermal Diffusivity, mm2/s 0.74 to 1.0
13
Thermal Expansion, µm/m-K 2.9 to 4.8
6.5