Gold Member Since 2013
Audited Supplier
Nanjing April Electro-Optics Co., Ltd.

Bk7 Tube, Optical Bk7 Tube, Bk7 manufacturer / supplier in China, offering Optical Glass Bk7 Tube, Optical Biconcave Lens, Quartz Glass Lens and so on.

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Optical Glass Bk7 Tube

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 30000PCS/Month
Payment Terms: T/T

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Basic Info
  • Model NO.: Nothing
  • Transport Package: Standard Carton and Envelop with Plastic Foam
  • Origin: Nanjing
  • Trademark: APRIL
  • Specification: tube
  • HS Code: 9002909090
Product Description

Material---bk7 glass
Knoop hardness--52mpa
Young's modulus---81gpa@25ºC
Coefficient of liner thermal expansion---- -30ºC~70ºC
Thermal Conductivity---1.114w/m ºC @25°
Specific heat---0.858J/g ºC
Refraction Index---1.5168@587.6nm

Coating is on request
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Miss Qian
Sales Manager
To: Miss Qian

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