Chinese manufacture Wholesale Optical Instruments K9 BK7 B270 Materials CPL Polarizer Filters Optical glass Optical filter
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- Supplier: Nantong Ruisen Optical Co. Ltd.
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Product Overview
Description
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K9/bk7 optical glass performance: | ||
Mechanical properties | Standard value | |
Density | 2.51g/cm3 | |
Knoop hardness HK 100 | 610kg/mm2 | |
Young's modulus E | 82 x 103kN/mm2 | |
Poisson's ratio μ | 0.21 | |
Thermal properties | Standard value |
Softening point | 719°C |
Annealing Point | 657°C |
Strain point | 624°C |
Thermal conductivity | 1.1W/m.°C |
Specific heat | 879J/kg.°C |
Coefficient of thermal expansion | 7.1×10E-6/K |
Advantage:
1.One of borosilicate glasses
2.Apply for the plates of small reflective mirrors and transmittance optical glass
3.Stable chemical characters
4.Hard materials and without scratch.
5.Little bubbles and impurities.
6.With high transmittance in wavelength from 350-2000nm.
Application:
√ Microscopic instruments
√ Optical metrological instrumentsLaser protective windows
√ Optical instruments of surveying and mapping
√ Machine vision devices
√ Optical detection instruments
√ The popular science optical
√ A digital opticalOptical test instruments
√ Fiber optic instruments
√ Laser Instruments
√ Electro-optic displays
√ Observation instrument measuring instrument andphotography
About Ruisen
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Packaging
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Q：What’s the way of shipping and cost?
1、We accept DHL, Fedex,TNT, UPS,EMS,SF and etc.
2、If you have your own express number, it’s great.
3、Freight=USD35(the first weight )+USD12/kg
Q:How to pay?
You can choose T/T,Paypal and Assurance payment on Alibaba and etc.
Q:What’s the deliver time?
1、For inventory: the delivery time is 3 days.
2、For customized products: the delivery time is 5-25 workdays.According to the quantity.
\t\t\t\t\t\t\t\t\tContact information \t\t\t\t\t\t\t
Nantong Ruisen Optical Co.,Ltd
Contact:Kitty Wang
T:+86-513-88799898
E: sales @ rsgx.net
G.M.: Jason Wang
E: jason @ rsgx.net
ADD:No55,Shuanggong Road, Qutang Town, Hai'an, Jiangsu Province, China
W: www.rsgx.net or //rsgx.en.alibaba.com
Contact:Kitty Wang
T:+86-513-88799898
E: sales @ rsgx.net
G.M.: Jason Wang
E: jason @ rsgx.net
ADD:No55,Shuanggong Road, Qutang Town, Hai'an, Jiangsu Province, China
W: www.rsgx.net or //rsgx.en.alibaba.com
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