1.1L high tg PCB; 2.good quality,reasonable price; 3.quicker delivery; 4. ... messages, pls contact with us freely!ItemSpecification MaterialFR-4 / Hi-Tg FR-4 / Lead free Materials(RoHS Compliant)/CEM-3/CEM ... the hole on both side Solder Mask Thickness0.7mil,raised H≤0.05Colour green,blue,red,yellow,black,white(LPI/MATT ... ,ISO,ROHS,UL, Welcome to visit WALBOND ! single-sided high tg fr4 pcb