Insulating Solid Rod is made of ECR glass reinforced epoxy resin.We use continuous pultrusion procss .The products fullfill The standard of IEC61109.Insulator core rods also are also called fiberglass rod,FRP rod,GRP rod,fiberglass bar,Insulation rod,fiberglass stick and so on. 1. Standard: IEC61109 2. Material: E glass and epoxy resin. 3. Process: Continuous pultrusion. a- Continuous roll of reinforced fibers/woven fiber mat b - Tension roller c - Resin Impregnator d - Resin soaked fiber e - Die and heat source f - Pull mechanism g - Finished hardened fiber reinforced polymer