Chempol 211-2339 Polyester CCP Online Polyester n-Butyl acetate Chempol® 211-2339 is high solids polyester. It is used in metal-general industrial, modifier for acrylic resins to lower VOC, metal-general purpose high performance enamels. It possesses excellent color retention, good flexibility in 2K urethanes, good exterior, compatible with most thermoset resins. High solids polyester. Used in metal-general purpose high performance enamels. Offers very good color retention. Provides good flexibility in 2K urethanes. Possesses good exterior and compatible with most thermoset resins.