... pcb Lead free HASL PCB-Lead free HASL Surface finish required to meet ROHS compliant-FR4 material with 0 ... TACONIC,ARLON,etc4)Surface finish/treatment: HASL/HASL lead free,HAL,Chemical Gold/tin,Immersion Silver/Gold ... -PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and Multi-layers,High frequency PCB ,etc6) ... packing/Plastic bagOuter :Standard carton packing single side HASL new green lead free Pcb