high absorptivity good quality 

flat plate solar collector for solar water heating system high quality solar collector high efficiency absorber sheet strong frame well sealed corners

Absorber Plate: Black anodized selective coating Absorptivity: 94% Emissivity: 12% Frame: Al Alloy Glass: 3.2mm low iron super white tempered glass Insulation: 30mm fiber glass insulation Backing sheet: 0.5mm embossed Al sheet Copper tube: TP2  Size: 2000x1000x70/82.5mm (LxWxH) Working pressure: 1.0Mpa  Test Pressure: 1.6Mpa Max working temperature: 200℃