Zinc Sulphide – Regular

lenses, windows, mirrors, filters and prisms

Zinc Sulphide Regular is used for Infrared windows and lenses. The Regular (FLIR) grade is visibly opaque and the Multispectral grade is the water clear form for visible and infrared applications.

Transmission Range 0.37-14.0 µ
Crystal Structure Polycrystalline Cubic
Cleavage Plane None
Colour Opaque
Density 4.09
Melting Point (°)
Reflection Loss
Solubility index 65×10-6/100gm water
Hardness (Knoop) 210-240kg/mm2
Thermal Conductivity (cal/cm sec°C) 0.16 (W/cm°C)
Thermal Expansion coefficient (/°C) 6.8×10-6/°K


Zinc Sulphide Regular windows and Zinc Sulphide Regular lenses

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