Polyester Resins

Our polyester resins deliver dependable performance for laminating, casting, and tooling. Choose from general-purpose laminating resin for everyday fiberglass repairs, Silmar 249A formulated for carbon-fiber wet layups, crystal-clear Silmar 41 for castings and parts, and isophthalic tooling resin for durable, heat-resistant molds. All options are MEKP-cured, compatible with fiberglass and carbon fiber reinforcements.

4 Products