Material and Major Element:
A) solar collector with heat pipe:
1.Vacuum tube with Copper pipe (resist high cold weather -40)
2.Vacuum Tube: Borosilicate glass 3.3, Coating: AL-N-Al and copper pipe.
3.Material of manifold: Aluminium alloy plate/0.5mm thickness
4.Material of Bracket: Aluminium-zinc plated/1.2mm and 1.5mm thickness
B) heat preservation water tank:
1.Inner water tank: porcelain enamel/2.0mm.
2.Outer water tank: Aluminium zinc/0.4mm thick.
3.Double copper coils Inside tank for heat exchange
4.preservation: 55mm high dense polyurethane foam
5.Tank diameter: 600 mm
C) solar power workstation:
1.Micro controller
2.expansion vessel
3.manumeter
4.Circulation Water pump
D) Warranty
a)ISO9001 / CE certificate
b)3 years' international responsibility for free repairing or exchange due to original