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C-820 Magnesia Ceramic vs. Zinc Sulfide

C-820 magnesia ceramic 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 (8, in this case) are not shown.

For each property being compared, the top bar is C-820 magnesia ceramic and the bottom bar is zinc sulfide.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.7
4.1
Elastic (Young's, Tensile) Modulus, GPa 100
75
Specific Heat Capacity, J/kg-K 950
520
Stiffness to Weight: Axial, points 21
10
Stiffness to Weight: Bending, points 58
34
Thermal Conductivity, W/m-K 8.0
27
Thermal Diffusivity, mm2/s 3.1
13
Thermal Expansion, µm/m-K 11
6.5