Crylcoat 2471-4 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings >> Powder Coatings Powder coating Crylcoatâ„¢ 2471-4 is a carboxylated polyester resin for clear exterior durable powder coatings when used with 93/7 TGIC. Crylcoatâ„¢ 2471-4 exhibits optimized flow and transparency. Carboxylated polyester resin. Exhibits optimized flow, transparency and clear exterior durability. Used in 93/7 TGIC powder coatings.