Crylcoat 2496-2 Carboxylated polyester resin Cytec Surface Specialties North America South and Central America Polyester Coatings Crylcoat™ 2496-2 is a low reactive carboxyl functional polyester resin for use with TGIC or Primid. Formulations based on Crylcoat™ 2496-2 have a low hardener demand and exhibit very good outdoor durability. Carboxylated polyester resin. Shows low hardener demand and very good outdoor durability. Used with TGIC or Primid.