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Custom K9(BK7) colorless optical glass

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  • K9(BK7) colorless optical glass
Colorless optical glass

K9(BK7) colorless optical glass

K9(BK7) has excellent mechanical properties and very low bubble K9(b270) product drawing and impurities, with good scratch resistance. Because of its stable chemical properties, no special treatment grinding and polishing. It is applied in many fields such as photoelectron, microwave technology, diffraction optical element and so on.

  • K9(BK7) colorless optical glass
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Product Parameters

Properties Note
Transmission range 0.4μm to 2.5μm
Density 2.51 g/cc
Thermal expansion 7.1×10 - 6/°F @ - 30° + 70°C, & 8.3×10 - 6/°F @ 20°C to 300°C
Surface finish bk - 7 polishes extremely well & polishes of 10 - 5, or 20 - 10 scratch - dig are achieved at extra costs respectively, mainly for uv & visible applications.
Curvature diagram surface figure of 1/10 wave to 1/4 wave @ 0.6328μm are specified mostly on lenses for ultraviolet & visible use.
Coating ar @ 0.8 - 2.5μm, ar @ 1.064, ar @ visible wavelength.
Applications Astronomy, thermal imaging
Products manufactured Lenses, prisms, filters, optical filters, etc.

 

Wavelength Refractive index (n)
0.4047 1.53
0.48 1.523
0.5461 1.519
0.6328 1.515
0.8521 1.51
1.06 1.507
1.53 1.501
1.97 1.495
2.325 1.489

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About
Nantong Xiangyang Optical Element Co.,Ltd.
is located in Jiashan, Zhejiang, one of the Yangtze River Delta integration demonstration areas. It has convenient transportation, adjacent to Shanghai and Suzhou, and within 100 kilometers of Hangzhou and Ningbo. It has an extremely special core geographical location and unique location advantages.
We are a professional OEM K9(BK7) colorless optical glass Manufacturers and ODM K9(BK7) colorless optical glass Company in China that provides customized glass services.
The company has fixed assets of 140 million yuan, more than 200 employees, and a plant area of ​​more than 50,000 square meters. As. It has invested heavily in building an intelligent production line and has advanced production equipment such as laser cutting machines, laser pipe cutting machines, CNC bending machines, robot welding, laser welding, and automated spraying lines. The company is mainly engaged in the production of outdoor furniture, office furniture (file cabinets, mobile cabinets), safes (cabinets), file compact shelving, shelves, electrical equipment and other sheet metal products.
Certificates The Honor
We Have Received.

As a leading manufacturer in the Yangtze River Delta Integrated Demonstration Zone (Jiashan, Zhejiang), Jiangnan Outdoor has been awarded "National High-Tech Enterprise" and "Jiaxing Green Factory" titles, with full certifications in ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 international standards.

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  • Nantong Xiangyang Optical Element Co.,Ltd.
  • Nantong Xiangyang Optical Element Co.,Ltd.
  • Nantong Xiangyang Optical Element Co.,Ltd.
  • Nantong Xiangyang Optical Element Co.,Ltd.
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