1.AL High Power LED PCB 2.al grade(3003,5052,6061) 3.thermal conductivity: 1 ... mk 4.max size:1200*600mm 1.AL High Power LED PCB2.al grade(3003,5052,6061)3.thermal conductivity: ... -3.0w/mk4.max size:1200*600mmCapacity of aluminum base pcb NO. ITEM INDEX 01Surface treatmentHAL(lead free), Immersion Gold, ... .8mm20Letter Colorwhite, black, blue, yellow, redSOP of aluminum base pcb AL High Power LED PCB