anodized aluminum profiles for solar panel frame ISO9001/14001certification;GB/T6892-2000,GB/T5237-2004stand. 1) Item: ... workable,office partition wall,folding screen ,fence ,various kinds of frame,display rack,goods rack ,mechanical dust-proof seal cover,etc ... film. film levelsCorrosion resistanceWearing resistanceCASSalkaliAbrasion coefficient(f.g/um)Time(H)levelAA1016≥9≥50≥300AA1532≥9≥75≥75