Zinc Sulphide (ZnS) 

Zinc Sulphide Sputtering targets  

Purity--- 99.99%  Density---4.10g/cm³

Shape--- Disk, Rectange, Custom-made

Diameter--- <200mm 

Thickness---<15mm

Refractive Index---2.20（10.6μm）

Transparence Wave Band---- 0.3～13μm

Zinc Sulphide Evaporation Material 
Density--- 3.98 g/cm3 Purity---99.9%,99.9%
Hardness---  (acc. to Mohs) 3.5 -- 4, (acc. to Knoop) 178X27 Kg/mm2, Linear expansion coefficient 6.1X10-6

Melting point---1800℃,Vapour pressure at 970℃ 1 Pa,at 1080℃ 10 Pa
Specification---Solubility 1X10^-3g/100g H2O, Soluble in acid,

Properties of thin film
      Transmission range 4000 ~ 14000nm
      Refractive index at 550nm ~ 2.3um
Hints on evaporation
      Molybdenum, tantalum boat, Mo boat, electron-beam gun, ION  Gun
      Evaporation temperature 800℃~1100 ℃
      Evaporation pressures 10^-3 to 10^-4
      Substrate temperature 30 ~ 150 ℃

Color/Shape---solid substance, White or yellowish powder,tablets, granular.

Shap--- (Granular)3-6mm,6-50mm,10-70mm , (Tablet)Dia8mm or other

Applications--- Anti-reflection films. PVD or CVD process as evaporation materials in Decorative and IR coating, often with low refractive materials MgF2, SiO2, SiO or high refractive materials Ge. Multi-layer coatings, beam splitters.

Hot-pressed Polycrystalline Zinc Sulphide (HP-ZnS)

Density--->4.09

Transmissive wavelength---1~12um

Bending strengh--->120MPa

Knoop Hardness---300Kg/mm²

Transmittance>70%(8~10um)

Specifications--- Dome: <Dia270mmX10mm, Plate:<360mmX15mm

Performance---good infrared optical transmission and thermal property and impact overloading resistant

CVD Zinc Sulphide (CVD-ZnS)

Density--->4.10

Transmissive wavelength---0.3~13um

Bending strengh--->100MPa

Knoop Hardness---250Kg/mm²

Transmittance>75%(8~10um)

Specifications---  Dia<200mm, thickness<15mm,plate and any curved plated

Performance---good optical homogeneity, multi-wavelength transmission and chemical stability