MADMUSKY Posted January 20, 2017 Share Posted January 20, 2017 Hi Folks I've got a 48th jet needing a refurb what's the best way to remove acrylic paint and Klear coats from it without destroying it? Cheers Darren Link to comment Share on other sites More sharing options...
Steve Noble Posted January 20, 2017 Share Posted January 20, 2017 Soak it overnight in a bath of isopropyl alcohol. An old ice cream tub, complete with lid is ideal for this. Then scrub it under clean running water with an old toothbrush. It sometimes takes a few soaks but it is the most gentle way of removing old paint. Some soak in brake fluid, but I don't like this as I find it makes the plastic weak and brittle. Link to comment Share on other sites More sharing options...
krow113 Posted January 20, 2017 Share Posted January 20, 2017 I believe extended soaking in any of the paint removal technique's will 'brittlize' the plastic. The minimum time soaking is best. Link to comment Share on other sites More sharing options...
Steve Noble Posted January 20, 2017 Share Posted January 20, 2017 2 minutes ago, krow113 said: I believe extended soaking in any of the paint removal technique's will 'brittlize' the plastic. The minimum time soaking is best. Not true with the isopropyl alcohol. I've soaked parts in it for days at a time, even clear parts and it has no effect on the plastic at all. It's perfectly safe and non aggressive... Link to comment Share on other sites More sharing options...
PhantomBigStu Posted January 20, 2017 Share Posted January 20, 2017 No idea if this works with enamels on primer or indeed unprimered enamels, but on primered acrylics I use nail polisher remover, a kitchen scoring sponge and elbow grease. On Unprimered acrylics I use cif over cleaner and elbow grease Link to comment Share on other sites More sharing options...
krow113 Posted January 20, 2017 Share Posted January 20, 2017 I relate from my own experience. Too long of soaking can make the plastic brittle. Not really concerned with what the substance is. Safer is better than sorry. I/A did this to some resin wheels . Before: After: So it is easy to disregard the information and input of others , the internet is good for that. However I dont waste my time refuting others and quoting them . Be aware other people may have a lot more experience regarding the scope of the question asked. And yes I know they are resin and not plastic. Link to comment Share on other sites More sharing options...
Steve Noble Posted January 20, 2017 Share Posted January 20, 2017 I wasn't refuting you, I was just giving an opinion based upon my experience using the alcohol as a stripper on plastic parts. I haven't used it on resin parts, so I trust what you say on this and value your opinion too. What I would say is that those resin wheels have quite thin spokes, so a longer soak on a part of this type could cause potential problems due to the thickness of the material. My experience with the alcohol is mostly on whole car bodies in 1/24th scale. These are usually much thicker plastic and more suited to an extended soak time. One must use a modicum of common sense when deciding upon the soak time and vary it according to part type.. Link to comment Share on other sites More sharing options...
MADMUSKY Posted January 21, 2017 Author Share Posted January 21, 2017 Thanks guys for your replies, but since I don't have any like isopropyl alcohol it looks like fine sandpaper and elbow grease. Cheers Darren Link to comment Share on other sites More sharing options...
Tbolt Posted January 21, 2017 Share Posted January 21, 2017 If you have any airbrush cleaner, like the Vallejo one, that will work, just not as quick as IPA because it's watered down. Link to comment Share on other sites More sharing options...
G4zM4n Posted February 5, 2017 Share Posted February 5, 2017 Hi. I have had some success using Vanish oxi action. The powdered stuff that you put on a stain pre wash that comes in a pink tub. I have used it to strip Tamiya acrylics back to raw plastic. It works extremely well. Just submerge the model in warm water and then sprinkle the vanish all over. rub it so that it dissolves and rubs against the paint. Leave it 30 mins and then rinse under hot water. I have found the paint simply runs away under the hot tap. I found Vallejo acrylics to be a little more resistant but some rubbing with a cloth/ sponge and hot water and it does eventually move. Im intrigued to know if anyone else has used vanish for this. Regards Gary Link to comment Share on other sites More sharing options...
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