Alberdingk U 933 Aliphatic polycarbonate-polyurethane Alberdingk Boley Polyurethane (PU) - Polyurethane dispersions (PUDs) Wood & Furniture Coatings Plastic coating ALBERDINGK® U 933 is an aqueous, colloidal, low viscous dispersion of an aliphatic polycarbonate-polyurethane without free isocyanate groups. It is used for wood and plastic coatings with good alcohol and cream resistance. An aqueous, colloidal, low viscous dispersion of an aliphatic polycarbonate-polyurethane. Used for plastic and wood coatings. Possesses good alcohol and cream resistance.