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Old Mar 05, 2014, 09:02 PM
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Question
Solvent? For removing paint from windows of rc car body to make clear

I have a rc car with a lexan body, painted (silkscreened?) from the inside, with a sticker on the outside. The actual body is for an Axial Ridgecrest.

What I want accomplish is clear windows, by removing the sticker & maybe removing the paint from the inside. Is there something I can put on the paint that will remove the paint but not hurt the plastic, leaving the window clear? I could sand it, but it wouldn't end up very clear. Any ideas?
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Last edited by finguz; Mar 06, 2014 at 11:13 PM. Reason: removed repeated sentence, more coherent
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Old Mar 06, 2014, 10:16 PM
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If you have a scrap of the body you could try some different solvents like acetone of lacquer thinner. Actually sanding could be a solution. Use 1000 grit or finer and then spray a clear paint on the window. It will turn clear again.. I've used worn out 600 grit with good results also. Just be sure to sand with water to lube the sandpaper.

Ken
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Old Mar 06, 2014, 11:08 PM
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Quote:
Originally Posted by kenh3497 View Post
If you have a scrap of the body you could try some different solvents like acetone of lacquer thinner. Actually sanding could be a solution. Use 1000 grit or finer and then spray a clear paint on the window. It will turn clear again.. I've used worn out 600 grit with good results also. Just be sure to sand with water to lube the sandpaper.

Ken
I recently used a similar process to sand the old graphics off the inside of a lexan rear wing for a 1/24 car. Except I just sanded it with fine grit, painted it & sealed the paint with clearcoat. The point is, the color looks great through the topside of the spoiler with no scratches just nice a solid color.

On the Ridgecrest body I think I'm going to try like you are saying by sanding and clear coat. I hope the clear coat doesn't yellow over time.

Thank you. I'll post it up here if it turns out.
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Old Mar 09, 2014, 07:30 PM
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Use Spray on Oven Cleaner. Wont hurt the plastic and will remove all the paint. Be cautious though... first dab a bit on an inconspicuous area.
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Old Apr 06, 2014, 01:55 AM
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Testors ELO. It's made to do just that on plastic. Albeit a little pricey.
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Old Apr 08, 2014, 03:53 PM
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I actually ended up using the sanding/clearcoat method, I forgot to give an update how it worked out. I think it works pretty good actually. But my problem was that I used a leftover can of clearcoat, and it splattered instead of spraying. So I said what the heck, so I laid the splatter on thick and went with it. It's a little thick, so it's not perfectly transparent, but it's decent with things close to the window itself but forget looking through to the next window. I think it would've worked out better with a good can of clearcoat.

I would definitely be interested in trying the other 2 methods listed in this thread. I still have another trekker body to experiment with, and a few other bigger bodies I'd like to do also.
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Old Apr 08, 2014, 03:55 PM
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vettster, how long do you leave the cleaner on for?

LAR43, I'll look into that stuff. It might be worth it for me to just start over with a clear body if the stuff is too pricey.
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Old Apr 17, 2014, 11:07 PM
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It's about 10.00-12.00 a pint but it goes a long way.
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Old Apr 18, 2014, 08:33 AM
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DO NOT use acetone or any type of thinner on polycarbonate! Thinners will at the very least haze up the plastic, and acetone will reduce it to a puddle of nondescript goo.
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Old May 09, 2014, 01:42 AM
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Automotive Brake Fluid works the best. I will also remove the stickers on the out side of the body.
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Old Sep 24, 2014, 12:05 AM
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It has to be a particular number DOT brake fluid, can't remember which number off hand but the videos are all over Youtube.
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Old Sep 24, 2014, 01:37 PM
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I've heard a lot about oven cleaner more than anything else. But I'll look up the brake fluid on youtube.

I still haven't done any of my other rc's windows, but I'm getting ready to do my other trekker body so maybe I'll try a few different things on it. With solvents my only worry was that it might soak into the masking tape and maybe ruin the whole body.
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