... size(width and length)1020mm×1020mm1020mm×1220mmFR-4 Epoxy glass cloth laminated sheet Technical parameters Heat levelsUL94V0Hardness118 - 122HR ... electric equipment parts (2) Undertake the works of reaction tank,plating tank,purifying-tank,electrolyzer and the likeFR ... PCB drilling pads,fiberglass meson,potentiometer,carbon film,printed glass fiber,precision planetary gear (chip grind),precision test ...