Solarez UV Cure Vinyl Ester Epoxy Sanding Resin Solarez UV Cure Vinyl Ester Epoxy Sanding Resin Excellent single part coating that will form a durable, corrosion-resistant finish with outstanding physical strength. As an intermediary coat before a final gloss coating, this sanding resin is an excellent choice for filling fiberglass cloth patterns, making a perfectly smooth surface base for your final gloss coating. These resins cure exceptionally dry unlike other UV cure resins that cure tacky. Note: NOT for use on EPS (Styrofoam) cores.