Does Rust Remover Damage Car Paint?
2 Answers
Automotive rust remover can damage car paint. Small rust spots are typically caused by acid rain corrosion. It is recommended to use car wax—any car wax will suffice to address the issue. Below are some methods for maintaining car paint: 1. Nano Coating: After applying nano coating, the car paint becomes resistant to scratches and UV rays. Its excellent flexibility prevents paint cracking, accelerates water droplet runoff, and avoids water droplet lens effects, stains, and oxidation spots. 2. Waxing: Waxing is the most well-known method for car paint maintenance. Most car wash services offer waxing, which provides a certain level of protection for the paint in the short term. 3. Glazing: Glazing primarily uses high-molecular polymers and petroleum-based solvents as its main ingredients. These are pressed into the paint using a polishing machine to form a mesh structure, enhancing the paint's strength and hardness. This method protects the paint from minor scratches for a certain period, and the "glaze" is waterproof, smooth to the touch, and lasts longer than waxing.
I previously used a rust remover to treat rust spots on my car, but accidentally splashed it onto the paint, leaving streaks—something I deeply regret. Most rust removers contain strong acids, such as oxalic or hydrochloric acid, which are specifically designed to dissolve metal rust. However, these chemicals can also corrode the resin layer on the car's paint surface, causing it to become dull or even bubble. If your car has a clear coat (common in newer vehicles), the paint is even more sensitive and may discolor upon contact. My advice is to be extremely cautious when using rust removers: first, test it on a small, inconspicuous area, apply it with a cloth rather than spraying directly to avoid widespread splashing, and rinse thoroughly with water immediately after treating the rust. If the paint gets damaged, you might end up spending hundreds on touch-ups. In short, this isn’t something to take lightly—it’s best to seek help from a professional auto repair shop.