1.FR4 material,1oz copper, board T1.6mm 2.Transparent solder mask,HASL lead-free 3.Fast delivery time, ... - TG170/TG180, Halogen Free,Rogers,Arlon,Taconic,Isola,PTFE, Bergquist 2). Surface Treatment: HASL,HASL lead free,Flash gold, immersion gold ... ). Min. Line width/Line spacing: 3mil/3mil10. Copper thickness in hole: >20um11. Board thickness tolerance: ±10%12. Outline tolerance: Routing:±0.1mm ...