Silmar^® Brand Resins and Clear Gel Coats

Silmar Resins was acquired in 1993 by Interplastic Corporation and has been formulating isophthalic and orthophthalic polyester resins for over forty years. Silmar is the brand recognized as the leader in today's casting resin market. We also have a complete line of panel and molding resins.

The Thermoset Resins Division supports the Fiberglass Reinforced Plastics (FRP) and Cast Polymer/Solid Surface industries by directing all its technical inventiveness and manufacturing resources at FRP and Cast Polymer applications. Our technical experts and laboratory testing facilities are available to work with you to formulate resins and gel coat systems for a new application or troubleshoot a manufacturing issue. We are the resin specialists.

When combined with the extensive CoREZYN brand products in Interplastic's Thermoset Resins Division, we are able to offer our customers an impressive product line that can support nearly any FRP application. The Silmar brand products are manufactured in Fort Wright, Kentucky and Hawthorne, California. All of our products are supported by the most professional, well-trained distribution network in the industry.