2 LAYER PCB 1) HASL Lead free 2) Base material: FR-4 3) Board thickness: 0.2-3.2mm 4) Certificate: ... CE,UL, ROHS, TS16 2 ... TG,FR4 Halogen Free,FR-1,FR-2,Aluminum3Board thickness0.2mm-7mm4Max.finished board side500mm* ... spaceing0.075mm(3mil)8Surface finish/treatmentHALS/HALS lead free,Chemical tin,Chemical Gold,Immersion gold ...