Witcobond® polyurethane dispersions (PUD) are stable, waterborne dispersions of fully reacted polyurethane, eliminating concerns about free isocyanate toxicity. These products are used as protective coatings on various substrates, offering benefits such as low VOC content, ease of use, and high solid content. WITCOBOND® 435-82, specifically developed for coatings applications, provides good film-forming properties, high flexibility and extensibility, non-yellowing performance, and is free of cosolvents and surfactants.