الوصف

Characteristics
1.It is completely made of copper,good performance under pressure;the black chrome plated copper strip and copper pope is welded by ultrasonic welding machine.
2.The black chrome plated coating has excellent quality,with high absorption efficiency and low emissivity
3.The coating is resistant to high temperatures;in general if empty,under temperature of **0°c, the performance and quality of collector will not be affected;materials and coatings can bear fierce weather and have long life span;endothermic copper-strip with nickel plated has excellent resistance  to corrode,which can be used more than *5 years.

Material
1.Inner tank:SUS****2B, 1.2mm
2.Core:black chrome
3.Outer tank:drawbench silver steel, 0.4mm
4.Frame:aluminium alloy, 2.0mm