... PCBSuntech corporation Ltd specializ in Double Side PCB, Multi-Layer PCB, F4BK PCB, Ceramic PCB, Rogers PCB, Aluminum PCB.Layer: 2 Layers Material: ceramic, F4BK , Alu, Rogers ... data so that we can quote for you. layers2materialFR4solder maskgreencopper1ozboard thickness1.6mmfinishinglead free HALmin trace0.1mmmin space0.1mmcertificateUL, ISO, RoHS 2 layers PCB