solar collector

1)Outer shell material: Aluminium alloy
2)Inner material: Red copper channel
3)Adjustable installation angles: 30°, 45°，60°
4) Heat-Collecting tube specifications: 58mm×1800mm
5) Anti-Hail: 25mm
6) Bracket: galvanized steel or aluminum alloy
7) Anti-Frozen: ≥-35%
8) Heat pipe material: TUI copper
9) Solar evacuated glass tube: High boron-silicon
10) Coating of absorber on glass tube: ALN/AIN-SS/CU
11) Contact fins: Single long Aluminum(1.7m)