Product Details
3M™ Polyurethane Adhesive Sealant 551 is a white, one-component, medium-strength polyurethane adhesive sealant designed for sealing and bonding applications in the marine and specialty vehicle markets. This moisture-curing adhesive sealant forms a permanent elastic bond on various materials including plastics, metals, fiberglass, and wood. Key features include a long open time for positioning parts, broader adhesion to diverse substrates with less need for primers, and advanced chemistries that resist cracking, yellowing, chalking, and UV degradation, providing excellent color stability. Recommended applications encompass cosmetic skinning on boats, buses, and trailers; bonding high-performance components such as marine windshields; waterproofing joints in concrete, glass, marble, granite, and brick without the use of primers; and bonding and waterproofing modular building panels or bathroom units. The product meets various certifications and compliance standards, ensuring reliability and performance in challenging environments.
