Is Car Glass Rain Repellent Effective?
2 Answers
Car glass rain repellent is effective. Utilizing the hydrophobic principle of nanomaterials, car glass rain repellent prevents rainwater from forming a film on the glass surface, ensuring the driver's visibility is no longer affected by the rain film, significantly improving driving comfort and safety in rainy conditions. When sprayed onto the glass, the rain repellent forms a nanolayer on the surface, causing rainwater to automatically contract into droplets and slide off the glass. You can also make your own glass rain repellent using dish soap by mixing it with water in a 1:6 ratio and putting it into a spray bottle. Before driving in the rain, spray the dish soap solution onto the glass and wipe it clean with a dry towel. While dish soap does provide some effect, it lasts for a shorter duration and is more suitable for short trips.
Honestly, the effect of rain repellent for glass is quite noticeable in practical use, especially when driving on highways during rainy days—it’s a real lifesaver. I applied it once before, and rainwater beaded up and rolled right off the windshield. At speeds over 60 km/h, I barely needed to use the wipers. But remember, the glass must be thoroughly cleaned before application—any oil film will significantly reduce its effectiveness. Also, the product’s lifespan is only about a month, and it wears off faster with frequent rain. I recommend applying it yourself before the rainy season. You can buy a kit online for just over 30 yuan, which often includes an oil film remover. In contrast, a car wash shop would charge you around 100 yuan for the same service.
