Immersion Gold PCB for Telecommunication Base material:FR4 Board thickness:04mm Copper thickness:1oz ... -10 workdaysCertificated with UL, IPC, ROHS, SGS and ISO9001Free sample for the first time Detailed Specification Product Categories:single/double sided ... laminate, Metal core AluminumSurface Finish:Hot air Lev p lead free HASL, immersion gold/silver/tin, plating gold, OSP Board Thickness ...