Crylcoat 2630-2 TMA free, carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings Crylcoatâ„¢ 2630-2 is a TMA free, carboxylated polyester resin for use with Primid XL-552. Formulations based on Crylcoatâ„¢ 2630-2 exhibit improved color stability in direct fire gas ovens, excellent flow and mechanical properties, no pinholing in thicker films, and are blooming free. TMA free, carboxylated polyester resin. Blooming free, and, exhibits improved color stability, excellent flow and mechanical properties, and no pinholing. Used in coatings.