... best price different colours according to customer's demand Aluminium rolling shutters door1.Aluminium material:6063 Alloy Temper: T5 Alloychemical element (%)remarkSiFeCuMnMgCrZnCrTiotherAlunitall 60630 ... .100.050.15 LD312.Surface Treatment of aluminium profilesPowder coating , anodized, electrophoresis3.colour of the aluminium profileswhite, black, green, champane, golden , Standard ...