Strodex SEK-50D Potassium Salt Potassium salt of phosphated aliphatic ethoxylate Dexter Chemical Dispersing agents >> Surfactants-like >> Phosphate esters Wetting agent/ Wet edge enhancer >> Surfactant Coatings >> Waterborne Neutralized Surfactants for Paint & Coatings Both wetting and dispersing properties are necessary to form a proper pigment dispersion in an aqueous medium. STRODEX SEK-50D Auxiliary pigment dispersant Promotes high color acceptance Neutralized surfactant. Used as a dispersing and wetting agent and and as an auxiliary pigment dispersant for aqueous paints and coatings. Promotes high color acceptance.