Butvar B-90 Polyvinyl butyral Solutia Polyvinyl butyral (PVB) ADHESIVE >> Hot-melt BUTVAR® Polyvinyl Butyral (PVB) Resin Polyvinyl butyral resins are employed in a wide array of industrial and commercial applications. These unique resins offer impressive performance, as well as outstanding versatility. Butvar polyvinyl butyral resins have a combination of properties that make them a key ingredient in a variety of successful formulations. Some of these properties for which Butvar is widely used are: outstanding binding efficiency optical clarity adhesion to a large number of surfaces toughness combined with flexibility. Butvar® B-90 Butvar B-90 is a thermoplastic, polyvinyl butyral resin which offers a unique combination of properties for coating or adhesive applications. The use or addition of polyvinyl butyral to a system imparts adhesion, toughness, and flexibility. PVB retains the clarity of the coating and offers reactive hydroxyl sites for crosslinking with thermoset. Butvar B-90 is formulated into many applications including: - WASH PRIMERS AND GENERAL METAL OR WOOD COATINGS - BINDERS FOR ADHESIVES AND STRUCTURAL COMPOSITES - BINDERS FOR INKS AND TONERS Thermoplastic, polyvinyl butyral (PVB) resin. Used in hot melt and structural adhesives. Provides outstanding binding efficiency, optical clarity, adhesion to a large number of surfaces, toughness and flexibility. Can be crosslinked with thermoset systems.