... ester resin. The glass fibers impart strength to the rod while the vinyl ester resin imparts excellent corrosion resistance ... slide guides, boat, kayak2) Tool: umbrella shaft, umbrella rod, curtain rod, fence post, handrail, frame for cases and bags, oil ... surrounds, over-door canopies, window canopies and dormers, chimneys, insulators, cable conductor, cable tray, antenna, transformer air duct spacer ...