Fin absorber

Heliodyne Hong Kong offers a variety of fin absorbors for plat plate solar collectors with selective absorbing surfaces, including blue sputter, black chrome, and black oxidezed technologies.
The blue sputter material offers the highest efficiency in terms of absorptitivity and emisivity, the black chrome material offters higher durability, whereas the black oxidized surface provides the most cost-effective solution.
All three types of material can be customized into different sizes of fins with a selection of thickness, and ultrasonically welded to copper tubes.