DARVAN® 811 | Vanderbilt Minerals, LLC | DARVAN® 811 is an anionic polyelectrolyte dispersant used in dispersing minerals and pigments in all types of water-based coatings. It has been found to be an effective dispersing agent for natural ground calcium carbonate (GCC), precipitated calcium carbonate (PCC), kaolin clay, talc...view more DARVAN® 811 is an anionic polyelectrolyte dispersant used in dispersing minerals and pigments in all types of water-based coatings. It has been found to be an effective dispersing agent for natural ground calcium carbonate (GCC), precipitated calcium carbonate (PCC), kaolin clay, talc, wollastonite and titanium dioxide. view less | Request Sample |