What coating is sprayed on the headlight surface?
2 Answers
The headlight surface is sprayed with UV lamp cover paint, which can fully cure the surface of the object and enhance the reflective effect of the reflector. If an aluminum alloy full-mirror reflective sheet is installed inside the reflector, the reflective effect can be improved by 30-40% compared to ordinary reflective sheets. Additional information: 1. Polycarbonate lamp cover: Polycarbonate lamp covers have long replaced glass lamp covers. Polycarbonate has advantages such as easy processing and molding, lightweight, and strong flexibility, making it less prone to breakage. However, its surface strength is insufficient, it is not resistant to scratching and scraping, and its weather resistance is poor, making it prone to yellowing. The use of UV-curable coatings can improve surface properties, thus finding applications. This not only significantly saves painting time but also provides the coating with excellent optical and scratch-resistant properties, meeting long-term weather resistance requirements. 2. UV paint: UV paint generally refers to UV-curable coatings. UV-curable coatings, also known as photosensitive coatings, use ultraviolet light as the energy source for coating curing, hence they are also called ultraviolet-curable coatings. They do not require heating and can quickly cure into a film on flammable substrates such as paper, plastic, leather, and wood.
I've been driving for ten years, and the surface of headlights is usually sprayed with a UV protective coating, which prevents the plastic from yellowing or becoming hazy, ensuring clear visibility during night driving. My previous car had foggy headlights due to aging coating—replacing the bulbs didn't help. It wasn't until I visited an auto repair shop that I learned this coating is polyurethane-based, specifically designed to withstand sunlight and rain. For maintenance, simply clean with mild soapy water—avoid strong solvents, as they can strip the coating and shorten its lifespan. Newer cars now come with more durable coatings, but regular inspections are still necessary. Otherwise, fogging can increase accident risks. I've found that simple maintenance can save a lot on repair costs, as headlights are a critical safety component.
