... such as chemical, metallurgy, ship building etc Well Insulated Fiberglass Rod The fiberglass rod is wildly used as best material for anti ... UPR(unsaturated polyester resin),ethoxyline resin, vinyl as matrix,and fiberglass as reinforced profiles,through the molding molds which have same ... to low temperature;(4) Longevity of service, non-maintaining. Best insulator rod by pultrusion