... lead free HASL 1.small order accept 2.ROSH certificate 3.ODM/OEM accept 1.0mm aluminium cree led pcb with ... Cu wight0.5oz ~ 3.0ozLaminate MaterialsFR-4,FR-1,,FR-2,CEM-1,CEM-3Board Cutting Max. number of layers8Min. ... ( residual thickness )FR-4(1/3+-0.1mm);FR-1,FR-2,CEM-1,CEM-3(1/2+-0.1mm)V-cut angle15°, ... a deal and cooperate happily and forever ! 1.0mm aluminium cree led pcb with lead free HASL