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What kind of glue should be used when bonding car bumpers?

1 Answers

LeEmilio

07/30/25 3:36am

Car bumpers can be bonded using epoxy resin adhesive. Epoxy resin adhesive has characteristics such as high tensile strength, corrosion resistance, and anti-aging properties. Moreover, since modern car bumpers are made of plastic, epoxy resin adhesive can provide a more stable and secure bond. For plastic bumpers, it is recommended to use high-quality epoxy resin adhesive. It offers stable performance within its expected lifespan and is suitable for bonding structural components that need to withstand strong forces. However, for metal bumpers, adhesive cannot be used for bonding. Instead, they must be welded at an auto repair shop and then repainted for aesthetic purposes. Car bumpers are safety devices designed to absorb and mitigate external impacts, protecting the front and rear of the vehicle. Many years ago, car bumpers were made of steel plates stamped into channel steel, riveted or welded to the frame rails, leaving a noticeable gap with the body, which looked quite unattractive. However, with the development of the automotive industry and the widespread application of engineering plastics in this field, car bumpers, as an important safety device, have also undergone significant innovation.

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