Alberdingk AC 2521 VP Acrylic acid ester copolymer Alberdingk Boley Acrylic Resins >> Acrylic Emulsions Wood & Furniture Coatings ALBERDINGK® AC 2521 VP is an aqueous, low viscous dispersion of an acrylic acid ester copolymer. It is used for wood primers with excellent appearance on wood. ALBERDINGK® AC 2521 VP has a particular even colour on wood which s independent from the film thickness. An aqueous, low viscous dispersion of an acrylic acid ester copolymer. Used for wood primers.