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Address:No. 15, Shuanglou Road, Liuwei Industrial Park, Qutang Town, Haian County, Jiangsu

Tel:86-0513-88797122 , 88792571

Fax:86-0513-88796768 

E-mail:sales@insunoptics.com

 

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YINXING PRODUCTS

Discover the world better through Yinxing

Yinxing Optical is mainly engaged in the production and processing of optical glass (filter) and special glass.

Product name

K9(BK7) glass

Affiliate classification
没有此类产品
Product description

K9 (BK7) Properties of glass
1:

optical properties transmittance
The refractive index
1.51680
Abbe number
63.96

2:

Mechanical properties Standard values
The density
2.51g/cm3
Knoop hardnessHK 100
610kg/mm2
Young's modulusE
82 x 103kN/mm2
Poisson's ratioμ
0.21

3:

Thermal performance Standard values
Softening point
719°C 
Annealing temperature
657°C 
Strain point
624°C 
Thermal conductivity
1.1W/m.°C 
Specific heat
879J/kg.°C 
Thermal expansion coefficient
7.1×10E-6/K

4:

Chemical properties Standard values
Hydrolysis of sex
2级
Acid resistance
1级
Alkali resistance
2级

 

Spectral curve of K9(BK7)glass

 

 

 K9(BK7) glass

Corresponding parameter set not found, please add it in property template of background
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