... :T5, T6 3.Length: Less than 7.5 M 4.Surface power coating aluminum profile for curtain wall1.Alloy Temper: 6063-T5 ... / 6005, 7005. 2.Production Standard: GB5237-2004, JISH4100-88, ISO6362/4-88, ISO7599-83, ISO3210-83 3.Commonly used for curtain ... walls. 4.Surface Treatment: Mill finish, Anodized, Powder coating, PVDF coating, Electrophoresis ...