... . 1) Item: aluminum profile for solar panel2) Alloy Temper: 6061,6063,6060,6082T4/T5/T63) SurfaceTreatment:MillFinished,Anodized(silverwhite,mattanodized,champagne,bronze,black),Power ... ,mechanical dust-proof seal cover,etc,13) Corrosion resistance experiment for anodic oxide film. film levelsCorrosion resistanceWearing resistanceCASSalkaliAbrasion coefficient(f.g ...