5050 LED strip (waterproof),spray tin, immerse gold, OSP ,competitive price ,best quality, prompt delivery & best service 5050 LED strip (waterproof),spray tin, immerse gold, Gold-plating, OSP Base MaterialPolyimideCopper Thickness0.5-1 ozBoard Thickness0.2-0.25mmSurface FinishingImmersion Gold, OSPLED FPC, Flexible FPC Strip, Soft PCB for LED: We can make FPC strip for LED use. SMD 3528 LED and ...