... Halogen Free ,Rogers,HF,NELCON,TACONIC,ARLON,etcMax. finished board size:23*25mil(580mm*900mm)Min.drilled hole size: ... V-CUT,Beveling Product range:,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and Multi-layers,High frequency ... PCB ,etcPackingInner :Vacuum packing/Plastic bagOuter :Standard carton packing single layer printed circuit board