... 0mmCu Thickness:35um-180umAluminium Model:3003,5052,6060,6061Breakdown Voltage:AC>2KV-4KV DC>2KV-6KVThermal Conductivity:2.0-3.0w ... Sliver/Gold,OSP,Gold PlatingSolder mask color:white ,black,yellow,red,green ,blueProfiling:Punching,Routing,V-CUTCertificates:ISO9001,UL,SGSCompany ProfileZhong ... , medical apparatus , test control system , aviation and military fields. PCB Red color FR-4 PCB manufacturer