Crylcoat 2629-1 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings Crylcoatâ„¢ 2629-1 is a carboxyl functional gas oven stabilized polyester resin for use in tribo applicable with Primid. Formulations containing Crylcoatâ„¢ 2629-1 exhibit good outdoor durability. Carboxylated polyester resin. Gas oven stabilized and exhibits good outdoor durability. Used in tribo applicable with Primid.