Structural adhesives are specialized bonding agents designed to create strong, durable connections between materials. They are commonly used in industries such as automotive, aerospace, and construction, where the integrity of the bond is crucial for safety and performance. These adhesives can bond various materials, including metals, plastics, and composites, providing resistance to environmental factors like heat, moisture, and chemicals. These adhesives come in different forms, such as epoxies, polyurethanes, and cyanoacrylates, each with unique properties suited for specific applications. The choice of a structural adhesive depends on factors like the materials being bonded, the required strength, and the conditions the bond will face. Proper surface preparation and application techniques are essential for achieving optimal results.