UV Light Question

  • Thread starter icor1031
  • Start date
  • #1
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I recently repaired some damage on my car, which isn't quite done - I still have to scrape the runs.

However, the paint is a significantly different shade from the rest of the car. I asked to have the codes matched, so I assume it's because of fading.



Is it possible to mask off the old paint on my car, and put a UV light on the new paint to force it to fade quickly?

And roughly how much power would I need to get anywhere? I found a 400w black light on ebay, but I have no idea how that compares to the UV the sun hits my car with.



Thanks!

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Answers and Replies

  • #2
Simon Bridge
Science Advisor
Homework Helper
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You can force-fade the paint - I have no way to know how long it would take though.
You also get fading from microscratches in the surface and heating and just plain degeneration due to age.
It is more usual to match panels by adding a gradient of the new paint over the old one so the transition is not discernible to the eye. In this case, that would be the door. Ask the car paint guys.
 

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