2-layer PCB with 2.5OZ Copper thickness Material: FR4 Fireproofing: UL-94V0 Plating: ... 0mm, 1.2mm, 1.6mm selectable Cu thickness: 2.5OZ Solder mask: PC401, Green oil mask with double side ... ,Immersion gold Inmersion Silver/Gold,Osp,Gold Plating9Copper thickness0.5oz Min.,5.0oz Max10Solder mask colorgreen/black/white/red ... , printer and house controller 2 Layers and 2.5oz PCB with E-Test(PCB board )