... .075mm(3mil)8Surface finish/treatmentHALS/HALS lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/Gold,Osp,Gold Plating9Copper thickness0.5oz Min.,5.0oz Max10Solder ... .0514CertificateUL,ISO9001,ISO14001,ROHS,CQC,SGS15profiling punchingRouting,V-CUT,Beveling gold plated fpc pcb board