Two Side Open Vacuum Tube Vacuum Test Tubes 70mm Solar Glass Vacuum Tube

2016 High Quanlity Three Target Two Side Open Solar Vacuum Tube
Two side open vacuum tube technical data
Two side open vacuum tube descriptionconventional Dewar flask and consists of two borosilicate glass tubes, resistant to high chemical and
thermal shock. The outer side of the inner tube is coated with a sputtered solar selective surface. This
coated inner tube is closed at one end and sealed at the other end to the outer tube. The annular spacebetween the outer tube and inner tube is evacuated to avoid heat loss in conduction and convection.
The key element determines function of tube is the technology of the film coating, and Gaia Solar uses
the Patent of the University of Sydney to produce tubes and our tube is the best efficiency tube you canfind in China, with the highest absorptance rate of near 97% with common rate of 94% and lowest
emission rate near 3% with common rate of 5%. At this efficiency, it has been very hard to improve thefunction any more, even very little part.
Two side open vacuum tube packing and shipping
Standard package.
Customized packing is available.
We are always working hard on the most reliable packing in order to help you get the Perfect products.
FAQ of two side open vacuum tube
1. What is your production capacity per year?
--Production capacity could reach 10 million pcs per year.
2. Do you produce the high borosilicate glass tubes all by yourself?
--Yes, we have 2 furnaces in our factory and over 20 coating lines. We could assure the stability of quality from the glass tubes to solar vacuum tubes.
3. How about the guarantee?
--Five years guarantee and 15 years' lifespan.
4. Is OEM available?
--Yes, we could help you design the logo and print logo on tubes and packages.
Contact us
Dezhou Gaia Solar Energy Co.,Ltd

Room 712, Baitiane Plaza, No.7 of HuBinnan Road, Dezhou City, Shandong Province

Website: gaiasolar.en.alibaba.com

Mobile and Chat: 0086-13953485199

Skype: gaiasolar