... ,RoHS,SGS, ISO9001:2000 4.11 years PCB experience. PCB Boards Capability Material: FR4, High TG FR4 ... Height: 30mil Min. drilling slot size: 0.6mm Solder mask color: green, black, blue, white, yellow, and ... , Immersion silver, etc. Other Technology: Gold finger, peelable mask, Non-across blind/buried vias, characteristic impedance control, ... : ≤0.7% Flammability: 94V-0 PCB for Electronic LED Products