Crylcoat 1544-4 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings >> Powder Coatings Powder coating Crylcoat™ 1544-4 is a low reactive carboxyl functional polyester resin for use with epoxy resins EEW 700-900 in ratios from 50/50 to 60/40 for the manufacture of hybrid powder coatings. Crylcoat™ 1544-4 is compatible with other carboxyl functional polyester resins and can therefore be blended in all ratios to provide intermediate reactivity. Carboxylated polyester resin. Compatible with other carboxyl functional polyester resins and provides intermediate reactivity. Used to formulate hybrid powder coatings.