1)It is suitable for the flat roof and the slope roof.
2)The support material: 1.5mm aluminum alloy
3)Outer cover of material and thickness: 2.0mm aluminum alloy
4)Insulation: 35mm high density polyurethane foam and 25mm aluminum silicate
5)Nylon tube shoe and tube stooper, silicone gel ring
6)Hailstone resistance: 25mm
7)Collector size: & Phi; 58x1.8m three target tube with the SS-C/CU selective coating
8)It can endure 0.6Mpa high pressure.
9)Vacuum tube: with four aluminum fins and one heat pipe
10)When one vacuum tube is broken, it still can work as normally
11)High efficiency: >64.9% in summer and >45% in summer
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