Crylcoat 2691-2 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings >> Powder Coatings Powder coating Crylcoat™ 2691-2 is a low reactive carboxylated polyester resin for use with Primid XL 552 (97/3). Formulations based on Crylcoat™ 2691-2 exhibit good flow and excellent mechanical properties. Powders based on Crylcoat™ 2691-2 can also be used as the slow component in matte dry-blend Primid systems. Carboxylated polyester resin. Exhibits good flow and excellent mechanical properties. Used in matte dry-blend Primid systems.