... 2000mm 3.Dielectric properties FR4 Laminate Sheet is a glass fabric reinforcement in an epoxy resin binder. The ... green. It is the most versatile laminate with extremely high mechanical strength, good dielectric loss properties, and good ... high-performance electrical insulation requirements,such as the FPC Stiffener, PCB drilling pads,fiberglass meson,potentiometer,carbon film,printed glass fiber ...