... /T6892-2000,GB/T5237-2004stand. 1) Item: anodized aluminium profiles for solar panel frame2) Alloy Temper: 6061,6063,6060,6082T4/T5/T63 ... ,mechanical dust-proof seal cover,etc,13) Corrosion resistance experiment for anodic oxide film. film levelsCorrosion resistanceWearing resistanceCASSalkaliAbrasion coefficient(f.g ...