... glass, 3.2mm thickness, light transmission above 91%, TPT and fast cure EVAFrame: clear anodized aluminum alloy, 50mm thickness, ... and is not less than 80% in 25 yearsCertificates:TUV, IEC, CE,CQC and SGS 235W black mono photovolatic solar panel/module with ... solar cell and TUV. IEC. CE. Marks