SYNCRYL 438 is a modified acrylic resin, “free from aromatic solvents” for “DUAL CURE” U.V. wood varnishes, offering excellent yellowing resistance, fast drying, and good adhesion for open or closed pore finishes.Excellent open-pore varnishes, both matte and gloss, or pigmented, closed-pore enamels can be formulated.The advantages include excellent wettability of the wood pores combined with rapid drying and excellent adhesion to the substrate.