Electrical insulation FR4 G10 epoxy resin fiberglass rod is made from glass cloth fabric impregnated with epoxy resin, then heated into prepreg and rolling into the rod shape, finally put into the different diameters molds, under high temperature and pressure to cure into the rigid laminated rods. Usually for mechanical & electrical applications, with good moisture resistance. Diameter 6-110mm Length 1,000mm Color green/natural
