:6063-T5 and 6082-T6 alloy, curtain wall profile, max.width 600mm for one single piece, thickness:2.0~3.5mm. Aluminum louver ... profile(aluminum sun louver): 1, Material: 6 series alloy 2, Size, max ... blade width: 600mm, min blade: 50mm, length: 3~8 meters for one piece. 3, Temper ...