| Formula | ZnS | ||||||||||||
| Growth method | Chemical Vapor Deposition | ||||||||||||
| Max. sizes, (mm) | Ø180 | ||||||||||||
| Transmission range, (µm) (Thickness 10 mm) | 0.4 – 12.5 | ||||||||||||
| Structure | cubic | ||||||||||||
| Density (g/cm3) | 4.09 | ||||||||||||
| Melting point (°C) | 1830 | ||||||||||||
| Hardness (Mohs) | 4.5 | ||||||||||||
| Thermal expansion coefficient (10-6/K) | 6.5 @ 293K | ||||||||||||
| Thermal conductivity (W m-1 K-1) | 27.2 | ||||||||||||
| Thermal optical coefficient (10-6/K) | 0.53 | ||||||||||||
| Solubility in water (g/100 cm3) | insoluble | ||||||||||||
| Solubility in acids | unessential | ||||||||||||
| Solubility in organic solvents | insoluble | ||||||||||||
| Wavelength (µm) Refractive index |
| ||||||||||||
| Absorption coefficient (cm-1) | 0.001 at 2.7 µm 0.2 at 10 µm |
