Dispersing and Wetting Hydrophobic Pigments and Fillers in Water Based Paints to avoid Pigment Flooding and Floating 

A critical part of any coatings formulation is ensuring the coating will be free of inherent defects, including pigment flooding and floating. And waterborne formulations represent unique challenges due to multiple factors. In this article, coatings expert Ron Lewarchik defines some of the important considerations in formulating waterborne paints to avoid these common defects.



Ronald J. Lewarchik brings 40 years of paint and coatings industry expertise to his role as a paint and coatings industry expert at Prospector. Ron is currently the President and CEO of Chemical Dynamics, LLC, a full-service paint and coatings firm specializing in consulting and product development. Previously, Ron served as an Adjunct Research Professor at the Coatings Research Institute of Eastern Michigan University and was the Vice President of Industrial Research and Technology, as well as the Global Director of Coil Coating Technology for BASF.