solar collector(high absorption rate)

10.efficiency:65.4%-76.2%

9.working pressure:0.6mpa,testing pressure:0.9mpa

8.snow load:30cm

7.permissible wind:30mm/s

6.tube holder:first-class nylon66

5.freeze resistance:below 35 or more

4.heat pipe:copper with 0.7mm thickness

3.vacuum tube:twin-glass with (three-target) selective absorption coating.

2.manifold pipe:copper tube with 1mm thickness.

1.manifold box:aluminum alloy with black power painting.

detailed descriptions:

technical date of solar collector with heat pipe