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Old 27-08-2017, 04:35 PM   #1
rossman999
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Removing Polish from black textured plastic

Not the normal slightly rough stuff that is cleaned easily using a rubber but huge jagged stuff used on the air blades of the macan.

The car is 6 months old and they obviously never masked them on PDI and after a few weeks the white shows through. I have tried:

IPA
Panel wipe
pencil rubber
car pro eraser

I have tried using CQ4 AG bumper & trim and everything else in my tool box and I am at my wits end - what have I not tried that may get it clean before I treat it?
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Old 27-08-2017, 06:14 PM   #2
Benfr16
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I have not ever tried it but I've seen videos of using an eraser and rubbing away at the white discolouration seems to work. YouTube it!
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Old 27-08-2017, 07:05 PM   #3
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standard thinners
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Old 27-08-2017, 07:25 PM   #4
tosh
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If that doesn't work, then APC and a magic sponge


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Old 27-08-2017, 07:34 PM   #5
rossman999
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Pencil eraser works fantastic on the lightly textured stuff but does not work on the rough stuff
Magic sponge is just "eaten" by the texture

I am concerned using thinners - I was bad enough using panel wipe

Any other suggestions, it really is a stupid bit of design and very poor of a professional detailer not masking such an obvious area.
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Old 27-08-2017, 10:07 PM   #6
tosh
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Removing Polish from black textured plastic

The APC and sponge together should work; the sponge is doing its job being sacrificed by getting into the texture.

If that didn't work, then tardis and the magic sponge, but rinse away with water afterwards.

Does a solvent dressing do anything to remove the polish? A solvent should eat that polish up... WD40?

You may have to cover it up with some Solution Finish...

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Old 27-08-2017, 11:27 PM   #7
rossman999
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Solvent dressing works well but it just doesn't last even Gtechniq C4 shows the polish after a few weeks as I cant get a decent fix on the plastic.

Truly a crap bit of design
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Old 27-08-2017, 11:41 PM   #8
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Plastic dye?
I think it's called Wurth Plast-PT
Not cheap to try (I haven't)


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Old 27-08-2017, 11:54 PM   #9
age 555
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APC and a cheap tooth brush seems to work on my Dads new car ,the dealer left polish stains all over the gutter trim , just masked it out with tape and scrubbed ,well like you clean teeth !
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Old 28-08-2017, 12:45 AM   #10
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Tar remover? I tried it recently and it seems to work. this was after trying apc and a brush, a pencil eraser and various different trim dressings.
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