Composite insulators are increasingly used in overhead high tension lines, and in railway, streetcar, and subway overhead contact lines.

Their core structure and mechanical component is a round epoxy resin bar, a typical example of a component made specifically by pultrusion.

Made of the latest generation materials, this component is designed to handle extreme loads, to function as an electrical insulator, and to be durable. If needed, it can also be made using high Tg resins for high quality non-marking surface coatings.