2-layer PCB with 2.5OZ Copper thickness Material: FR4 Fireproofing: UL-94V0 ... 1.0mm, 1.2mm, 1.6mm selectable Cu thickness: 2.5OZ Solder mask: PC401, Green oil mask with double ... ISO9001: 2000 ROHS Compliant1Layer1-22 layer2MaterialFR-1,FR-2,FR-4,CEM-1,CEM-3,Hight TG,FR4 ... 3mil)7Min.line spaceing0.075mm(3mil)8Surface finish/treatmentHASL/HASL lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion ...