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| OPTICAL |
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Transmission Range |
0.37 to 13.5 microns |
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Refractive Index |
2.20084 at 10 microns |
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Reflection Loss |
26.2% at 10 µm (2 surfaces) |
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Index of Absorption |
0.0006 cm-1 at 3.8 microns |
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Restrahlen Peak |
30.5 microns |
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dN/dT |
+38.7 x 10-6/°C at 3.39µm |
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| PHYSICAL |
|
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Density |
4.09 g/cm3 |
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Melting Point |
1765°C (dissociates about 700°C) |
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Thermal Conductivity |
27.2 Wm-1K-1 at 298K |
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Thermal Expansion |
6.5 x 10-6/°C at 273K |
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Hardness |
Knoop 160 with 50g indenter |
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Specific Heat Capacity |
515 J kg-1K-1 |
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Dielectric Constant |
8 |
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Young's Modulus (E) |
74.5 GPa |
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Apparent Elastic Limit |
68.9 MPa (10,000psi) |
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Poisson Ratio |
0.28 |
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| CHEMICAL |
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Solubility |
0.001 g/100g water |
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Molecular Weight |
144.33 |
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Class/Structure |
HIP polycrystalline cubic, ZnS, F43m | | |
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