... counts: 1-16 layers Finished Copper Thickness: 0.5-5 OZ Finished Board Thickness: 0.2-6.0mm Min. Line/Track Width ... : 5mil Min. Legend(Silkscreen) Height: 30mil Min. drilling slot size: 0.6mm Solder mask color: green, black, blue, white, yellow, and ... test, and micor metallographic section analysis, etc. Wrap and twist: ≤0.7% Flammability: 94V-0 PCB for Electronic LED Products