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Sell ZnS Material

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  • Company Name :Ningbo Lambert Optics Co., Ltd
  • Membership :Free member
  • Registrarion Date :2016. 12. 30
  • CountryRegion:China
  • Address:NO.399, 66th building, zhuangxijiayuan, hengjie town Ningbo Zhejiang, China
  • Phone / Fax:86-0574-87166171  /  86-0574-87121375
  • Contact:Tony Zhou
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Description

ZnS grown by chemical vapor desposition (CVD) often used in the 8 to 12 microns region. Its high resistance to rain erosion and high-speed dust and particulate abrasion makes it particularly suitable for exterior IR windows on aircraft frames.

Optical Properties  

Bulk Absorption Coefficient When 10.6µm  <= 0.24 cm-1
Temperature Change of Refractive Index When 10.6µm  41 x 10-6/°C
Refractive Index Inhomogeneity When 10.6µm  < 100 x 10-6

Thermal Properties  

Thermal Conductivity when 20° C  0.167 W/cm/°C
Specific Heat  0.469 J/g/°C
Linear Expansion Coefficient When 20° C  6.8 x10-6/°C

Mechanical Properties  

Young’s Modulus  74.5 GPa (10.8 x 106 psi)
Rupture Modulus   103.4 MPa (15,000 psi)
Knoop Hardness   210-240 kg/mm2
Density   4.08 g/cm3
Poisson’s Ratio  0.27

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