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Zinc Selenide vs. Glass-bonded Mica

Zinc selenide belongs to the non-glass optical ceramics classification, while glass-bonded mica belongs to the glass and glass-ceramics. There are 8 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 zinc selenide and the bottom bar is glass-bonded mica.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 5.3
2.6
Elastic (Young's, Tensile) Modulus, GPa 69
71
Specific Heat Capacity, J/kg-K 340
500
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 26
52
Thermal Conductivity, W/m-K 17
23
Thermal Diffusivity, mm2/s 9.5
18
Thermal Expansion, µm/m-K 7.3
6.7