Lencolo L-6606D tin-free UV polyurethane resin is a cost-effective six functional polyurethane acrylate resin, without organic tin, the product has the advantages of high hardness, high brightness, high wear resistance, high curing rate, good adhesion, low yellowing, good fluidity and so on. It is widely used in film material adding hard liquid, UV high gloss varnish, UV plastic paint, UV screen printing varnish, etc.