Flexbond 381 Vinyl acrylic polymer Air Products North America Vinyl >> Vinyl Acetate Polymer Emulsions Architectural / Decorative >> Interior wall coatings Architectural / Decorative >> Exterior wall coatings Flexbond 381 polymer emulsion is a high scrub, formaldehyde-free vinyl acrylic designed to give superior performance in both interior and exterior paints. Its combination of high molecular weight, good film formation, flexibility and water resistance produces paint films with excellent toughness, scrub resistance, gloss and durability. Flexbond 381 can be used in a variety of trade sales paint formulations, as no unusual dispersants, surfactants or other paint additives are required. It can be readily formulated into semigloss paints and typically provides excellent thickening response and gloss properties when used with associative thickeners. Formaldehyde-free vinyl acrylic polymer. Used in both interior and exterior paints. Possesses high molecular weight and good film formation. Offers good flexibility and water resistance. Provides very good toughness and scrub resistance. Exhibits very good gloss and durability.