... plus imported from Germany 3.Max. operate pressure:6bar Solar Air collector 1)Advantage1.CE,CCC,ISO9001,ROHS ,Solar Keymark, ... /ODM is welcomed 3.Germany bluetec eta absorber2.Long service life-25years 2)Function· Available for rooftop, roof integration, freestanding, ... glass, achieving 95% absorption and 5% emission.· Long service life(25 years) with low emittance and good corrosion resistance, long ...