Reduced water adsorption: The asphalt or coal tar coatings or seals derived from clay-based emulsions can show water adsorption and reemulsification tendency. Treatment of the emulsion or sealer with Redicote® I-249 markedly reduces water adsorption and reemulsification. Adhesion: Asphalt or coal tar coatings or seals derived from treated emulsions show less stripping tendency. ; Specialities.