Beamset 550B Urethane acrylate Arakawa Chemical Polyurethane (PU) - Prepolymers >> Urethane acrylate Coatings >> UV / Radiation Curing BEAMSET 550B is liquid Urethane acrylate. It shows good reactivety, good adhesion. It is used in plastics. Liquid Urethane acrylate. Shows high good reactivity, good adhesion. Used in plastics.