... ,GB/T5237-2004stand. 1) Item: anodized aluminium profiles for solar panel frame2) Alloy Temper: 6061,6063,6060,6082T4/T5 ... ,bronze,black),Power Coated,Electrophoresis(silver,bronze,champagne,golden)4) Hardness:Mpa≥160,HV≥58,HW≥85) Standard ... -proof seal cover,etc,13) Corrosion resistance experiment for anodic oxide film. film levelsCorrosion resistanceWearing resistanceCASSalkaliAbrasion coefficient(f ...