Bayhydrol UV VP LS 2348 Urethane acrylate Bayer MaterialScience Polyurethane (PU) - Polyurethane dispersions (PUDs) Coatings >> UV / Radiation Curing Coatings >> Waterborne Wood & Furniture Coatings water Bayhydrol UV VP LS 2348 is a cosolvent free urethane acrylate dispersion used in the formulation of waterborne UV-curing coatings. Form supplied is approximately 40% dispersion in water. Bayhydrol UV VP LS 2348 is used in the formulation of waterborne UV-curing coatings, especially for application on wood/wood materials. Additions of 1 - 2.5 % by wt. photoinitiator, calculated on the solid binder, have proven to be suitable for initiating the curing reaction. Urethane acrylate dispersion. Used for wood coatings.