Crylcoat 2490-2 Polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings CrylcoatTM 2490-2 is a carboxylated polyester resin for use with TGIC in a 90/10 ratio. Formulations based on CrylcoatTM 2490-2 exhibit good flow with and outstanding outdoor weathering resistance. A 50/50 dry blend based on CrylcoatTM 2490-2 and Crylcoat™ 2691-2 produces a 40 % gloss at 60 °. Carboxylated polyester resin. Exhibit good flow with and outstanding outdoor weathering resistance. Used with TGIC in a 90/10 ratio.