... ,RoHS,SGS, ISO9001:2000 4.Approved HASL PCB; 5.Drop Shopping. PCB Boards Capability Material: FR4, High TG FR4 ... ,Halogen Free material,CEM-3, Rogers HF material, etc. Layer counts ... : 1-16 layers Finished Copper Thickness: 0.5-5 OZ Finished Board Thickness: 0.2 ... Wrap and twist: ≤0.7% Flammability: 94V-0 PCB for Mobile phone