... , Power PCB and PADS. We alsocan send you the samples for quality check when all is confirmed. Please see the parameter ... , FR-1, CEM-1, CEM-3, FR-4 Halogen Free ,Aluminum base.2)layer: 1-32 3)board thickness: 0.4mm ... .2mm 4)copper thickness: 0.5oz, 1.0oz, 2oz, 3oz, 5)min. Drilled hole size: 0.2mm 6)min. Track width ... : 90-120Ω, Tolerance: +-10% 16)Quality standard: IPC-A-600F. Aluminum PCB for LED lamp