Polyester Resins

Since 1959 we have been selling our isophthalic, orthophthalic and DCPD polyester resins with outstanding laminating, casting and molding capabilities. Check out all the Unsaturated Polyester Resin options we have for you!

Vinyl Ester Resins

Our line of epoxy-based vinyl ester resins have set the standard for the industry. In extremely challenging environments that require superior physical performance and corrosion resistance, Interplastic CoREZYN vinyl esters consistently outperform.

Gel Coats

Interplastic offers a comprehensive line of gel coats and related products. These products are designed to meet the specific performance criteria requirements for marine, transportation, cultured marble, sanitary ware, and virtually any fiberglass composite application where a decorative coating surface is desired.


Our adhesives and compounds are used for structural bonding, general fairing, gap filing and surface finishing. The COR-Grip line of products provides exceptional adhesion for a firm bond/sandable surface. It provides the flexural, tensile and compression properties you are looking for. It is user friendly for the application process and meets your performance criteria.


Interplastic has two lines of colorants – standard and high performance. These products are specially formulated for standard unsaturated polyester systems to be used in laminating resins, casting resins, and molding compounds.