... -2004,GB/T6892-20006) Oxide film:AA10,UM10;AA≥15,UM≥15.7) Fineworkmanship,Goodcurvature,Goodglossiness,Goodappearance,Solidity, strong in corrosion ... anodic oxide film. film levelsCorrosion resistanceWearing resistanceCASSalkaliAbrasion coefficient(f.g/um)Time(H)levelAA1016≥9≥50≥300AA1532≥9≥75≥75