CN 2257 polyester acrylate oligomer. Atofina-Sartomer North America South and Central America Acrylic Monomers >> Reactive / Multifunctional (MFM) Wood & Furniture Coatings CN2257 is a polyester acrylate oligomer. CN2257 was developed for UV curable wood coating applications, where abrasion resistance and exceptional hardness are required. It is used in Coatings - wood, coatings. It has abrasion resistance,chemical resistance and hardness. CN2257 is a polyester acrylate oligomer. It was developed for UV curable wood coating applications, where abrasion resistance and exceptional hardness are required.