... 1OZ 4layer 2.GREEN*2 WHITE*1 3 HASL multilayer pcb1) Layer: 1, 2,multilayer2) Board finished thickness: 10% ... 3) Material: FR-4, CEM-1,CEM-3, High TG, FR4 Halogen Free,FR-1,FR-24) Max. finished board size ... : 0.1mm7) Surface finish/treatment : HASL / HASL lead free, Chemical tin, Chemical Gold, Immersion Silver/Gold, OSP, Gold ... sorts of printed circuit board assemblyApplicationAS: lead free hasl pcb