... -flexible pcb board. 2 We can produce 1 to 6 layer FPC 3)UL, ISO 9001, ISO 14001,SGS , RoHS 4)Small ... thickness: 40+/-4mil Application: Hardware Zone Carrier Product process capability1,Layer: 1-302,Board finished thickness:0.21mm-7.0mm3,Material ... : FR-4,CEM-1,CEM-3,High TG,FR4 halogen Free,Rogers4,Max.finished board size ...