Crylcoat 1771-0 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings >> Powder Coatings Powder coating Crylcoatâ„¢ 1771-0 is a medium reactive carboxyl functional polyester resin for use with epoxy resins EEW 700-900 in a 70/30 ratio to manufacture hybrid powder coatings. Carboxylated polyester resin for use with epoxy resins EEW 700-900 in 70/30 ratio. Used to formulate hybrid powder coatings.