PROPERTIES OF FLIR ZnS

MECHANICAL PROPERTIES
Young Modulus : 74.5 GPa
Knoop Hardness : 200-230 kg/mm2
Modulus of Rupture : 103.4 MPa at room temperature
: 160 MPa a 660°C
Poisson constant : 0.29
Density : 4.09 g/cm3

THERMAL PROPERTIES
Melting Point : 1830°C
Max working temperature (with coating) : 300°C
Heat Capacity : 0.112 Cal/(g·°K)
Thermal Expansion Coefficient : 7.85 10-6 °C-1
Thermal Conductivity : 0.19 Wcm-1,K-1 at 27°C

OPTICAL PROPERTIES
Refraction Index at 20°C : 2.419 at 0,5μm
: 2.332 at 0,7μm
: 2,292 at 1μm
: 2,257 at 3μm
: 2.246 at 5μm
: 2.232 at 7μm
: 2,221 at 8,20μm
: 2.198 at 10,20μm
: 2.186 at 11μm