aluminum profile for curtain walls 1.Material : 6063 6061 2.Temper:T5, T6 3. ... 7.5 M 4.Surface power coating aluminum profile for curtain wall1.Alloy Temper: 6063-T5 / T6, 6061 / 6005, 7005. 2 ... /4-88, ISO7599-83, ISO3210-83 3.Commonly used for curtain walls. 4.Surface Treatment: Mill finish, Anodized, Powder coating, PVDF ...