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Sell Silicon 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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Silicon is used as an optical window primarily in the 3 to 5 micron band and as a substrate for production of optical filters. Large blocks of Silicon with polished faces are also employed as neutron targets in Physics experiments.


Crystal Type  Cubic,NaCl type structure
Transmission Range  1.2-15μm; 17…>500μm
Refractive Index  3.41776 when 10μm
Reflective Loss  46.1% when 10μm
Density   2.3291g/cm

Melting Point  1414℃
Molecular Weight  28.09
Thermal Conductivity  163.32 W/(m K) when 40℃
Specifics Heat  703.4J/(kg K)
Thermal Expansion  3.9ⅹ10 /℃ when 200-300 K<111>

Hardness (mohs)  1150(Mohs 7)
Young’s Modulus  131GPa
Shear Modulus  79.9GPa
Bulk Modulus  102GPa
Rupture Modulus  125MPa

Dielectric Constant  13 when f=9.37GHz
Solubility Water  insoluble
Crystal Structure  Single crystal, synthetic
Cleavage Planes  (111)
Standard Diameter  3", max. ø 300 mm
Application  windows, lenses, band pass filter, thermography, ATR crystals, FIR optics, mirrors

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  • Sell Silicon material

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