Alberdingk U 205 Aliphatic polyether-polyurethane Alberdingk Boley Polyurethane (PU) - Polyurethane dispersions (PUDs) >> Polyether Other industry >> Leather Coating ALBERDINGK U 205 is an aqueous dispersion of an aliphatic polyether-polyurethane without solvents and free isocyanate groups. It is used for high quality coatings for textile impregnation and leather finishing. An aqueous dispersion of an aliphatic polyether-polyurethane. Used for high quality coatings for textile impregnation and leather finishing.