FR4 TG170 double circuit board Printed Circuit Board express PCB PCB Prototypes 2L Multilayer PCB / Multilayer PrintedCircuit Board / PCB description:Technical description:Layer: 2Material: FR4Tg: 170°CBoard thickness: 1.6mmSurface finished: HASLMin through hole: 0.3mmMin line width: 4MilMin line space: 4MilVIPPO: NoSolder mask: greenSilkscreen: whiteSingle size: 200x100mmCertificate: UL, ROHS, T ...