BR 304 Aromatic urethane acrylate oligomer Bomar Specialties PU - Prepolymers >> Urethane acrylate ADHESIVE >> Hot-melt >> Pressure sensitive (HMPSA) Aromatic difunctional urethane acrylate. An aromatic in a workhorse family of oligomer products. Applications range from adhesives, including laminating and pressure sensitives adhesives. Provides hydrolitic stability, abrasion resistance, adhesion and gloss. offering low toxicity. It is useful in either chemical or energy curing systems. Aromatic difunctional urethane acrylate oligomer. Used in laminating and pressure sensitives adhesives. Provides hydrolitic stability, abrasion resistance, adhesion and gloss. Offers low toxicity.