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08-09-2008, 05:36 AM #1
Making faded plastic look like new
This may be well known, but I thought it would be worth posting.
If you have old, sun-faded plastic parts or parts that have white stress marks in them, you can make them look much better with a heat gun.
I've used this process before on motorcycle fenders with mediocre results, but I experimented with an additional step that worked INCREDIBLY well.
I scored a couple sponsons for my 95 SLT750 off ebay earlier this week. They arrived EXTREMELY sun-faded. I started with the traditional heat gun trick....heating them up until they returned to their original color.
One thing I noticed is when you apply the heat, it appears that the surface of the plastic almost turns molten again - looks great and shiny new, until it cools. Once cool, it looks better, but not as good as it was when it was hot.
So, I decided to add this step. Try heating up your parts near a supply of cold water. Use the heat gun to get the piece nice and shiny hot, and then when it looks good, quickly quench it in the cold water.
My sponsons look like new!!! Here are some pics.
The right-most section is complete. The second section from the right had one quick pass on it, and the left two sections are how they arrived. I hope the pictures do it justice!!
08-09-2008, 10:23 PM #2
- Join Date
- Jul 2007
- Cedar Rapids,Iowa
Very Nice,they look great.
08-09-2008, 10:26 PM #3
08-12-2008, 05:16 PM #4
I'm sure there's some logic behind the chemistry - something about cross-linking of polymers, blah blah blah.......but I must have slept through that class!!!
I just know I tried it and it works great!!!
08-12-2008, 07:04 PM #5
I don't get it?
I dunked mine in cold water, and carefully applied the heat. All that happened, is that the water on the plastic evaporated....
Do I need colder water???
08-12-2008, 07:13 PM #6
08-12-2008, 07:16 PM #7
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