Our Unsaturated Polyester Resins are used in the Marine, Transport, Automotive, and Building industries. With two principal types used as standard laminating systems; orthophthalic polyester is considered the standard, basic, general-purpose resin. It is relatively inexpensive and has a variety of uses. Isophthalic polyester resins have greater mechanical properties so are better suited for higher temperatures and are more corrosive resistant. We offer a range of polyester resin in quantities to suit customer requirements