Hydran HW 312B-W-40 Polyurethane-urea Reichhold PU - Polyurethane dispersions (PUDs) ADHESIVE >> Water-based HYDRAN HW 312B-W-40 polyurethane-urea emulsion, water reducible excellent adhesion to many plastics and aluminium high flexibility and peelin resistance heat resistance up to 100°C (crosslinked film) excellent hydrolytic stability Water reducible, polyurethane-urea emulsion. Used in industrial adhesives. Provides very good adhesion to many plastics and aluminium, high flexibility and peeling resistance, heat resistance and very good hydrolytic stability.