... Germany 3.Max. operate pressure:6bar Solar Air collector 1)Advantage1.CE,CCC,ISO9001,ROHS ,Solar Keymark,approved 2.OEM/ODM is ... selective vacuum coating, together with maximum light transmission low-iron safety glass, achieving 95% absorption and 5% emission.· Long service life ... forming insulation, depth 50mm.· 3.2/4.0mm low-iron solar glass with max. light transimission, which is meet to the ...