... , sandblasting,painting , so on. 2, Typical chemical composition (GB/T3190) Aluminium GradeSiFeCuMnMgCrZnTiimpurityAl60630.2-0.6<0.35 ... -AngleC)Suface Treatment(1). Anodizing:(Clear,silver,golden,bronze,other muiticolar.)(2). Electrophoresis(3). Powder,polishing ... ,PVDF,Sandblasting,etcStandard: GB/75237-2004,Q/320281/PDWD-2008Certification: ISO9001:2008Specifications: According ...