STC-2-C/A flat solar collectors

life owns to the unattackable anodized aluminum strip whose life over is 15 years.
Aluminum strip costs less than copper one.

temperature as high as 185 degree centigrade.Strong weatherability of coating and long

and electric pigmentation. The absorptivity is 0.96+/-0.03 ; the emissivity is 0.18+/-0.05.
 The thermal stability of the coating is strong. It does no harm if exposing in the

0.1Mpa), very safe and clean.
 The selective absorption coating of aluminum strip is good in that it uses anodizing

Feature
  Red copper inner tube with average compressive property (working pressure is under

Flat solar collector: The absorptivity is 0.96+/-0.03 ; the emissivity is 0.18+/-0.05.
Life length is over 15 years.