Crylcoat 2621-2 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings >> Powder Coatings Powder coating Crylcoat™ 2621-2 is a carboxyl polyester resin for use with Primid in the production of dry-blend, matte powder coatings. Dry-blend coatings based on Crylcoat™ 2622-2 or Crylcoat™ 2691-2 can achieve 60° glosses between 20 and 25%. These coatings show very good mechanical properties and flow. Carboxylated polyester resin. Shows very good mechanical properties and flow. Used to manufacture dry-blend, matte powder coatings.