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Zinc Selenide vs. Hexagonal Boron Nitride

Zinc selenide belongs to the non-glass optical ceramics classification, while hexagonal boron nitride belongs to the non-oxide engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (12, 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 hexagonal boron nitride.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 5.3
1.9 to 2.1
Elastic (Young's, Tensile) Modulus, GPa 69
14 to 60
Poisson's Ratio 0.28
0.11
Specific Heat Capacity, J/kg-K 340
840 to 1610
Stiffness to Weight: Axial, points 7.3
4.1 to 18
Stiffness to Weight: Bending, points 26
42 to 69
Thermal Conductivity, W/m-K 17
29 to 96
Thermal Diffusivity, mm2/s 9.5
9.9 to 34
Thermal Expansion, µm/m-K 7.3
0.54 to 18