Does Rain Affect a Car After Polishing?

[LeChristopher]

Rain can affect a car after polishing, as rainwater contains acidic substances that may damage the car's paint. Introduction: Car polishing is a step in the car detailing process, performed before waxing, sealing, or coating to prepare the car's surface. Polishing, especially fine polishing, is essential for achieving a mirror-like finish required for sealing or coating. This step is mandatory for effective sealing, as untreated or uneven paint surfaces will not hold the sealant for long, failing to provide lasting protection. Market: The demand for car polishing is significant, yet the supply is somewhat limited. There are few companies with core intellectual property rights and high-quality products, resulting in a lack of strong brand recognition across the industry.

[VanHaley]

Polishing the car and then getting it wet in the rain does have an impact. Right after polishing, the car's paint surface is more vulnerable, and dust and acidic substances in the rainwater can easily adhere to it, forming water stains or small spots. Over time, this may accelerate oxidation. Polishing removes the protective layer, so if it rains right after polishing, you should dry it off as soon as possible and gently wipe it with a clean cloth to avoid water spots. I recommend checking the weather before polishing to avoid rainy days, and applying wax or a ceramic coating immediately afterward to seal in the shine and protect against contamination. Rainwater itself doesn't damage the car, but when combined with road dirt, it can cause problems. I once experienced sudden rain after polishing, leaving circular water stains. Fortunately, I wiped them off in time without major issues, but it took extra effort to redo the work. You really have to be careful.

[DelJayce]

Polishing before rain may have negative effects, as rainwater can wash away polishing residues and pick up road dirt, making the car paint appear dull or causing slight corrosion. I'm not an expert, but from my own experience, after polishing and it rained shortly after, there were many water droplets on the car's surface, and after drying, some areas had uneven color. Generally, light rain isn't a big issue; just clean it when the weather clears. However, acid rain or dirty rain in big cities poses greater risks. It's advisable to avoid rain on the day of polishing and apply a protective agent immediately after completion. The amount of rain also matters; heavy rain is definitely worse than drizzle. I once discussed this with a friend at a repair shop during maintenance, and he said it's common knowledge to wax promptly after polishing to effectively protect against rain. In short, don't worry too much, just take precautions.

[EleanorMarie]

Rain is not friendly to freshly polished cars, especially since rainwater often contains acidic pollutants that can damage the fresh paint, causing water spots or accelerating aging. Polishing exposes the car's paint slightly, making it more susceptible to absorbing impurities and leaving marks when rained on. If it's just a light occasional rain and the car is parked briefly in the rain, the impact is minimal. The key is to wash the car promptly after the rain clears and inspect it, addressing any stains immediately. The effect of rain also depends on the environment—rainwater is cleaner in rural areas with fresh air, while urban rain contains more exhaust fumes and dust, which are harsher on the paint. I always choose sunny days for polishing, allowing enough time for wax application. Rain isn't a demon, but it can cause trouble when the car lacks sufficient protection after polishing.