1.al pcb for led lighting products 2.led round al pcb base board 3.Fast delivery,competitive price 4.ROHS, ... UL, ISO9001-2000 1. led round ... , 1.5/m.k, 2.0/m.k, 3.0/m.k thermal impedance0.85 °C/W – ... thickness:1.6mm, measurement:300mm×300mm)processing thickness0.3-5.0mmcopper foil thickness35um 70um 105um 140ummolding dimension ...