Feature
All red copper tube with excellent compressive property (it can work under 0.6Mpa) ,very clean.Tube and fin are welded by American Ultrasonic equipement. Applicable for any environment
and installing condition.
The black chromed coating has good thermal property. The absorptivity is 0.96+/-0.03; the emissivity is 0.10+/-0.05 .
The thermal stability of the coating is strong. It does no harm if exposing in the temperature as high as 220 degree centigrade.
The thermal stability of the coat is wonderful with a long life over 25 years for there is a nickelage coating as a bottom layer.
Flat plate solar collector: The absorptivity is0.96+/-0.03; the emissivity is 0.10+/-0.05.
Life length is over 25 years.
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Material Copper and aluminum complex solar collector Copper and aluminum complex solar collector Outer treatment Blue titanium sputtering Black chrome ConStructure Pipe-sheet Pipe-sheet Flat plate weight 5.7± 0.1KG 5.3± 0.1KG Absorption rate 0.95-0.97 0.93-0.95 Emission rate ...
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