Offering a comprehensive selection of extrusion coating resins, Westlake Chemical has the polymers required to produce structures needed for today’s demanding packaging needs and other applications. Our extensive extrusion coating product line which includes low density polyethylene, EMAC®  and Performance Polymers was developed to provide resins with excellent processing properties that can be coated onto a variety of substrates including paperboard, plastic films, metal foil, natural and man-made fibers and other substrates.