Can the bumper be partially painted?
2 Answers
The bumper can indeed undergo partial painting, but compared to a full repaint, there may be some color discrepancy. This is because the original factory paint of the vehicle cannot be perfectly matched later. Therefore, a partially repainted bumper will naturally struggle to maintain the exact original factory paint color (resulting in color differences). On the other hand, a fully repainted bumper, although not identical to the original factory paint, at least ensures a uniform appearance across the entire surface. Below is a brief introduction to bumper painting: 1. If you opt for partial bumper painting, adjacent areas must be masked off. The area to be repaired should be cleaned with a silicone solvent, and a layer of putty should be applied over the entire surface to address all scratches; 2. Wet sand the entire surface with 600-grit sandpaper, then repaint the entire surface using a two-component acrylic urethane paint mixed with a flex additive. If painting metallic paint, it should dry quickly for 5 minutes before applying the clear coat; 3. Most bumpers are made of plastic and can be painted. However, after painting, there may be slight differences compared to the metal body. Depending on the area to be painted, you can choose between a half-bumper or full-bumper repaint, with the half-bumper option being more cost-effective.
As a veteran driver with ten years of experience, I've personally witnessed various approaches to handling minor bumper scratches. Partial repainting is definitely a viable option, especially when the damage isn't severe—like just a corner scrape or localized abrasion. It's much cheaper than replacing the entire bumper or doing a full repaint, typically costing around 400-500 RMB, and it saves time too. However, the key lies in color matching: the newly painted area might show slight differences under sunlight compared to the old paint due to varying degrees of aging, potentially looking like a patch job if not done well. I recommend visiting a professional repair shop before painting, where they can accurately match the color code and properly prepare the surface through sanding. For minor damage, the results after painting are generally acceptable; but if the damage is extensive, the transition between new and old paint might appear unnatural, making a full repaint necessary. Overall, partial repainting is a practical solution—quick to execute and doesn't disrupt daily car use—but don't expect perfection in the details.