Crylcoat 1660-0 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings >> Powder Coatings Powder coating Crylcoat™ 1660-0 is a low reactive carboxylated polyester resin that is designed to produce 60/40 hybrid powder coatings. Formulations based on Crylcoat™ 1660-0 exhibit good flexibility, high gloss, and outstanding flow using high amounts of filler. Carboxylated polyester resin. Exhibits good flexibility, flow and high gloss. Used for manufacture of hybrid powder coatings.