Does Rain Affect Car Paint?

[GemmaLynn]

Rain can affect car paint and cause corrosion. Rainwater is slightly acidic, and if a car is left wet with rain for a long time without being washed, the concentration of acidic substances in localized areas will increase, eventually corroding the paint. Here is some additional information: 1. Formation of a Water Film: When rainwater falls on the paint surface, it spreads out into a film due to the dust on the car's surface. This dust mixes with the rainwater to form a layer of mud, which can absorb water. As a result, the rainwater forms a water film directly on the paint surface. Besides making the car dirtier, this film accelerates the erosion of the paint by acid rain. 2. Appearance of Water Stains: Water stains are often more noticeable on the front hood of the car. This is because the engine generates a lot of heat when the car is running, causing rainwater to evaporate quickly and leave behind stains. If the stains penetrate deeply, they cannot be removed by waxing alone and will require professional detailing at a car care shop, where a finishing wax polish can be applied to remove them.