Crylcoat 1557-5 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings >> Powder Coatings Powder coating Crylcoat™ 1557-5 is a 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. Formulations containing Crylcoat™ 1557-5 exhibit high reactivity, scratch resistance and good overall properties. Crylcoat™ 1557-5 can be blended in all ratios with Crylcoat™ 1544-4, to provide intermediate reactivity. Carboxylated polyester resin. Exhibits high reactivity, scratch resistance and good overall properties. Used for manufacture of hybrid powder coatings.