Will the car rust if the primer is exposed?

[VanMaverick]

If the car's primer is exposed, it will rust. It is recommended to address the rust promptly. Methods to deal with rust are as follows: Replacement of parts: If the collision or scraping damages the chrome-plated parts, and there is visible damage, it is advisable to replace the parts to maintain the vehicle's appearance (aesthetics). Although such materials can be re-plated through electroplating, the cost for a single part is relatively high, making direct replacement more suitable. Polishing treatment: For minor scrapes that do not damage the primer, or even just small surface abrasions or marks left by scraping, polishing can be used as a treatment method. This can largely restore the original appearance.

[VanEvelyn]

I've noticed many car owners worry about whether exposed primer will lead to rust. Honestly, it absolutely will cause rust issues. A car's paint is a multi-layered structure, with the clear coat serving as the outer protective layer. While the primer has some rust-proofing properties, once exposed, direct contact with rain, air, and dust will gradually corrode the metal. During my time repairing cars, I often see scratches that aren't treated promptly develop rust spots within a month or two, spreading quickly. Deep rust can compromise the frame's strength and be costly to repair. If you notice scratches while washing your car, quickly cover them with a touch-up pen or rust-proof paint to prevent worsening. Alternatively, take it to a paint shop for a thorough fix to maintain the car's durability and appearance—it saves a lot of hassle in the long run.

[LaJackson]

As a seasoned car owner, my vehicle was scratched by a branch last year, exposing the primer, and rust spots appeared soon after. Experience has taught me that primer doesn't prevent rust—moisture seeping into the metal causes oxidation and rust. If ignored, small rust spots can expand into major issues, doubling repair costs; rainy days or coastal environments accelerate rusting. I've learned to DIY: clean the area, lightly sand the rust, and apply spray-can rust-proof primer—it's cost-effective and quick. For prevention, regular waxing to protect the paint is key. In short, early treatment extends your car's lifespan and ensures driving safety—don't procrastinate.

[LeDominic]

Exposed primer rust is a common phenomenon. When the metal surface loses its protective layer, oxidation accelerates corrosion. I've tried various repair methods, such as cleaning and sanding the exposed area before applying anti-rust coating, with good results. If left untreated, rust will spread from spots, affecting car value and even creating safety hazards. Remember, timely action is key.