aluminum coating solar vacuum tubes/ solar vacuum tube/ heat pipe/ evacuated tube $1.3~2.3

Solar Vacuum Tube:
1.high-activity.
2.high heat conductivity.
3.high vacuum
4.small order is also accepted.

Main Advantages of SG Collector Tubes:


1.No scaling
2.No blasting
3.water-tight
4.Anti aging
5.Anti-ultra cold
6.high temperature-resistant
7.
fast heat transfer
8.high heat conductivity
9.bearing pressure

Starts up fast and colects solar energy fully.
Can resist impact of hail:hailstone diameter 25mm.
High level vacuum ensure operation under cold weather.
Ideal heat collection efficiency in extreme cold water, with hot water available at a temperature of -30°C.
Long time warranty to 15years.
The evacuated tube with superconductive heat-pipe is the most advanced product in the world.

We can also provide products as your request.