... 0mm, 1.2mm, 1.6mm selectable Cu thickness: 2.5OZ Solder mask: PC401, Green oil mask with double ... Immersion Sn Sickscreen: White with UL mark, Date code Wrap and twist board <0.6% Output with 100 ... ISO9001: 2000 ROHS Compliant1Layer1-22 layer2MaterialFR-1,FR-2,FR-4,CEM-1,CEM-3,Hight TG, ... ,telecommunication, networking, printer and house controller 2 Layers and 2.5oz PCB with E-Test(PCB board )