Thread: How to get rid of UV coloration on white plastic?

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  1. #1
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    Default How to get rid of UV coloration on white plastic?

    Hope you guys don't mind me asking here, but I have 2 hard plastic items in white that are discolored from ageing and UV exposure and was wondering if there is anything to remedy this. A nagging memory snippet keeps telling me that a long time ago someone had a substance complete with how-to and explanation of how it worked to undo the UV damage?

  2. #2
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    Default Re: How to get rid of UV coloration on white plastic?

    plastic polish? sand, then polish?

  3. #3
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    Default Re: How to get rid of UV coloration on white plastic?

    Does plastic polish have some kind of agent in it to dissolve the coloration? Any recommendations that are available in or willing to ship to Europe? Sanding is not an option because there is black text on the showroom plate that needs to remain intact.
    Last edited by InjectTheVenom; 04-27-2012 at 01:57 PM.

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    Default Re: How to get rid of UV coloration on white plastic?

    willem, can you post a pic of the part? that might help. the "showroom plate" has me a bit confused.

  5. #5
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    Default Re: How to get rid of UV coloration on white plastic?

    Isn't the black text raised? If so you should be able to polish around the letters with a flattened stick and felt.
    If it's all flush that's tough. The plastic polish I've used is abrasive just like when they do paint restorations.

  6. #6
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    Default Re: How to get rid of UV coloration on white plastic?

    uvbnbit, this is the plate I am talking about:



    Kind of like dealership plates in the U.S. but then for a specific vehicle type.

    @VYPR BYT 94: the black text is ever so slightly raised, I share your concern for any kind of polish being abrasive so when the bottle of plastic polish that I ordered this afternoon has arrived I will need something like you describe.

  7. #7
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    Default Re: How to get rid of UV coloration on white plastic?

    I too think a polish will take the black off. It might be more trouble than it's worth, but you could put some masking/painter's tape across the top and "carefully" trim around letters with razor blade. Polish around best as possible.? ?

  8. #8
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    Default Re: How to get rid of UV coloration on white plastic?

    ITV, you just need to make a little sanding stick to do the job. Take a piece of wood and make it a comfortable/appropriate size or style for the job. Then get some 2 sided masking tape and stick it on the end to hold the sandpaper and cut around it with a knife.


    This will help you polish the white areas without hitting the raised black areas.
    You may, depending on the severity of the discoloration, need to start out with as low as 220 grit along with the polish and then work your way up to like 1500 grit. Just don't try to jump too much at one time... go in gradual increments.

    I'd be shocked if this doesn't work. Good luck!
    Mike

  9. #9
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    Default Re: How to get rid of UV coloration on white plastic?

    New plates.

  10. #10
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    Default Re: How to get rid of UV coloration on white plastic?

    Quote Originally Posted by ViperTony View Post
    New plates.
    And have the appraiser laugh at me for something anyone could have made? Nah, I'm not afraid of a little work

  11. #11
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    Default Re: How to get rid of UV coloration on white plastic?

    Best thing to do is clean them really well with a mild detergent, such as Adam's All Purpose Cleaner.

    Next, treat them to Adam's Super VRT to restore the low gloss black sheen. Super VRT has a UV protectant and moisturizer so it will keep your plastic from fading. It is also waterproof, so it will last a long time.

    Post some pics of the parts you are working on. Also, email me and I'll get you a bottle of VRT to try.

  12. #12
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    Default Re: How to get rid of UV coloration on white plastic?

    Quote Originally Posted by thompsonracing View Post
    Best thing to do is clean them really well with a mild detergent, such as Adam's All Purpose Cleaner.

    Next, treat them to Adam's Super VRT to restore the low gloss black sheen. Super VRT has a UV protectant and moisturizer so it will keep your plastic from fading. It is also waterproof, so it will last a long time.

    Post some pics of the parts you are working on. Also, email me and I'll get you a bottle of VRT to try.
    Just run it over to him real quick.

  13. #13
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    Default Re: How to get rid of UV coloration on white plastic?

    He better have Atlantic Ocean sized boots when he does

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