Aluminum Profile 6063 For Heat Sink 1),Alloy no. : 6063,6061,6060,6105,6082 2),Temper : ... of aluminum material through extrude . Mainly used as special heat sink profile of CPU heat sink , industrial aluminum extrusion , aluminum doors and windows , aluminum ladder ... ) , Standard : GB/T5237-2006our product pictureour product lineour certificate Aluminum Profile 6063 For Heat Sink