Plastic headlight protection coating
- Thread starter mointainwalker
- Start date
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Wrong! From the factory, the polycarbonate has a protective coating. The coating wears away in time and exposure. Polishing removes the last of that coating, so once polished, they remain clear, for just a few weeks. The only fix, is to re-coat the surface, with a UV protection film of some sort.
Like this?
Turtle Wax 53146 Headlight Cleaner & Sealant Liquid Increases Brightness 300Ml | eBay
Cloudy, milky and yellowed lenses can reduce headlamp function at night or during poor visibility conditions. Turtle Wax Headlight Cleaner and Sealant is a quick solution for removing light oxidation and yellowing from your headlights and rear tail lights.
www.ebay.co.uk
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"Polysiloxanes" tend to be the original manufacturers' coatings. (Also used on spectacles with "coated" plastic lenses). They can't really be applied by hand, though. Best we can do, is use UV-resistant aftermarket polishes like the stuff JohnD linked to.
https://www.sono-tek.com/industry/g...coatings/?utm_source=google-ads&utm_campaign={campaignname}&utm_agid=21225930248&utm_term=hard%20coating&utm_source=google-ads&utm_campaign=&utm_agid=21225930248&utm_term=hard%20coating&gad_source=1&gclid=CjwKCAjwoa2xBhACEiwA1sb1BB4ohWGOfg5OytPOedoNJdcpeWXJpht8eilI3r1Oo4rcn3UEBZ75YBoCxjIQAvD_BwE
And I think (but am not certain), that most manufacturers use impact-modified acrylics rather than polycarbonates as the underlying plastics.