Working with auto body adhesives is a delicate process that requires knowledge and experience to master the skill. If you’re new to using these products, it’s vital that you have an understanding of the different types of adhesives available. Each adhesive has its own purpose, and being aware of which type to use ensures you get the best results possible when working on your car. Here’s an overview of the different types of auto body adhesives that are commonly used for repairs and alterations.
Urethanes are a type of rubber-based adhesive that provide excellent bonding strength and flexibility between metal and plastic surfaces. Urethane adhesives are extremely useful in auto body repair because they can span gaps up to 1/8 inch wide without sagging or running, making them perfect for filling large holes or cracks in your vehicle’s bodywork. Additionally, they’re resistant to extreme temperatures and weather conditions, making them ideal for outdoor applications.
Polyurethane adhesive is much like urethane but with one key difference: you can apply it directly onto wet surfaces without compromising its strength or durability. This makes polyurethane especially useful for emergency repairs in rainy or humid conditions when traditional adhesives won't work properly due to moisture.
Epoxies are another type of auto body adhesive to know about as you prepare for your project. Strong and durable, these two-part adhesives provide a powerful bond when used on metal and plastic. Unlike urethanes, you must thoroughly mix epoxies before use. They also require more precise application than urethanes due to their short working time (usually about 5 minutes). However, epoxies can provide a stronger bond than urethanes if applied correctly, so they are great for automotive repairs that need extra strength. Epoxies also provide excellent corrosion resistance that makes them ideal for outdoor applications like underbody repairs, where rust could become an issue over time.
Acrylics, on the other hand, are one-part adhesives that set quickly (usually within 15 minutes) and are easy to apply with minimal mess or fuss. Once set completely, you can paint over acrylic adhesives, making them great for cosmetic repairs where you want the finished look to blend with the rest of your car's bodywork. Acrylics also offer excellent UV protection against fading or discoloration from direct sunlight exposure.
Automotive adhesives come in many different varieties depending on your needs, and each has its own unique properties that make it ideal for certain applications. To get the best results from your repair job, make sure you use the correct adhesive for your project so that you get a strong bond with lasting durability. Eagle National carries several auto body adhesives and subsequent mixing and application accessories that correspond with various bodywork needs. Whether you're repairing minor dings or major damage, we have an auto body adhesive that can make all the difference in getting your car back into shape.