Crylcoat 2617-3 Polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings >> Powder Coatings Powder coating Crylcoatâ„¢ 2617-3 is a highly reactive polyester resin for use with Primid XL-552 to produce TMA-free, tribo applicable powder coatings. Coatings based on Crylcoatâ„¢ 2617-3 exhibit improved degassing, excellent flow and mechanical properties. Polyester resin. Exhibits improved degassing, excellent flow and mechanical properties. Used to manufacture TMA-free, tribo applicable powder coatings.