layer:2layer Thickness:1.6mm Finish coating:HASL Copper size:1oz Solder mask:HASL/Material:Arlon

player:4 layerThickness:1.6mmFinish coating:HASLCopper size:1ozSolder mask:HASL/Material:Fr-4

1)layer:1-302)Board finished thickness:0.21mm-7.0mm3)Material:FR-4 ,CEM-1,CEM-3,high TG,FR-4 halogen Free,Rogers4)Max finished board size23X25(580mmX990mm)5)Min drilled hole size:3mil(0.075mm)  Min Line spacing:3 mil (0.075mm)7)Surface finish/treatment: HASL/HASL .lead free,chemical tin,chemical gold,immersion gold/silver ,OSP,Gold plating 8)Copper thickness:0.5-7.0 oz 9)Solder mask color:green/yellow /black/white/red/blue10)Copper thickness in hole:>25.0μm(>1mil)11)inner packing:Vacuum packing/plastic bag  Outer packing:Standard carton packing12)shape tolerance:±0.13hole tolerance:PTH ±0.076 NPTH:±0.05

13)Certificate:UL TS16949 ROHS 14)Special requirements:Buried and blind vias+controlled impedance+BGA15)Profiling:Punching,Routing,V-CUT ,Beveling16)Provide OEM service to all sorts of printed circuit board assembly as well as electronic encased products

multilayer FR4 pcb