PCB for flat cable 1:Material: PI and FR4 2:Copper thickness:1oz ... 0.2mm 4:Surface finish:immersion gold PCB for flat cable:Material: PI Layer counts:1 Layer Copper thickness:1oz ... Chemical tin, Chemical Gold, Immersion Silver/Gold, OSP, Gold plating Solder Mask Color: Green/Yellow/Black/White/Red/BlueTolerance - Shape tolerance ... , UL, ISO9001-2000, ISO14001Factory direct price : PCB for Flat Cable