BR 344 Aliphatic urethane acrylate oligomer Bomar Specialties PU - Prepolymers >> Urethane acrylate ADHESIVE >> Hot-melt >> Pressure sensitive (HMPSA) Aliphatic difunctional urethane acrylate. An aliphatic in a workhorse family of oligomer products. Applications range from adhesives, including laminating and pressure sensitives adhesives. Provides hydrolitic stability and good adhesion. Aliphatic difunctional urethane acrylate oligomer. Used in laminating and pressure sensitives adhesives. Provides hydrolitic stability and good adhesion.