Alberdingk U 800 Aliphatic polyester-polyurethane Alberdingk Boley Polyurethane (PU) - Polyurethane dispersions (PUDs) >> Polyester Wood & Furniture Coatings ALBERDINGK® U 800 is an aqueous, low viscous dispersion of an aliphatic polyesterpolyurethane without free isocyanate groups. (contains TEA). It possesses good compatibility when combined with acrylic dispersions. Improvement of blocking and abrasion resistance in wood coatings. An aqueous, low viscous dispersion of an aliphatic polyesterpolyurethane. Used in wood coatings. Offers improved blocking and abrasion resistance.