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If you offer headlight restoration services to your customers, you’ve undoubtedly noticed that not all headlights are the same. Some, such as the Nissan Quest van, have a very hard factory UV barrier coating that makes them difficult to sand and finish while others, such as the Dodge Caravan, are more straightforward and easier to complete. A variation in the headlight manufacturing process is likely the cause of this noticeable difference.
Made of polycarbonate plastic, which will yellow and cloud after exposure to ultraviolet radiation and other environmental conditions, headlights must maintain their clarity for any significant amount of time.
According to a major vehicle manufacturer, there are multiple processes and technologies for coating headlights that produce a variety of results. In fact, the hardness can vary among different vehicle model lines and years for the same car company. Unfortunately, these processes are hard to duplicate in the field. What this means is that the difficulty of stripping a headlight can be different for each vehicle you work on.
Finally, sometimes this difference can be very significant. In fact, one technician commented that he used “ten 320 and 600 grit discs on one light.” Using all while working on a Lamborghini Gallardo. The Chevy Malibu is also becoming notorious for having an extremely hard-to-strip coating.
To help deal with coatings that are difficult to remove…. Continue Reading