MIXPOWER Flat solar collector with copper absorber covered with black chrome, in a casing made of welded, metal sheet of aluminium,and with mineral wool insulation. The covering is made of tempered glass (thickness 3mm).The solar collector parameter Dimension :2000mm*1000*90mm Absorber : Cu tube with Cu absorber ultrasonic welding (Cu tube ,Diameter :10mm ) Selective coating :Black chrome Thermal insultation: mineral wool or PU Cover : Low iron tempered glass (3.2mm ) Case :Al case