Zinc Sulphide Evaporation Material
Density--- 3.98 g/cm3
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.
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.
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| Specifications︰ | Purity---99.9%,99.9%
Shap--- (Granular)3-6mm,6-50mm,10-70mm, (Tablet)Dia8mm or other
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| Advantages︰ | low pirce, good quality |
| Export Markets︰ | All world |
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