Detailed Product Description Lead free HASL PCB, double-sided PCB, electronic board,pcbOur product developed most ... Rigid PCB: 1) Layer: 1, 2,multilayer2) Board finished thickness: 10%3) Material: FR-4, ... , High TG, FR4 Halogen Free,FR-1,FR-24) Max. finished board size: 1500mmx500mm 5) Min. ... .1mm7) Surface finish/treatment : HASL / HASL lead free, Chemical tin, Chemical Gold, Immersion Silver/Gold, OSP ...