Can Heavy Rain Damage Car Paint?

1 Answers
DiCole
07/30/25 5:55am
Yes, it can corrode the car paint. Rainwater is weakly acidic, and due to environmental pollution, it may appear clean on the surface but should not be ignored. If your car is left wet from rain for a long time without being washed, the concentration of acidic substances in localized areas will increase. As we all know, acidic substances can corrode car paint. Here are some relevant details: Post-rain care: After rain, water spots on the car body will gradually shrink, increasing the concentration of acidic substances in the rainwater. If these spots are not rinsed off with clean water promptly, they will eventually damage the paint over time. Undercarriage maintenance: Rainwater and moisture can seep into the car body through small holes in the undercarriage, leading to rust and peeling, which is often hard to notice. Therefore, after heavy rain, it's essential to perform some undercarriage maintenance.
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