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Removing yellow staining - Update Sept. 6
https://docs.joecustoms.com/forums/viewtopic.php?f=10&t=41591		 Page 1 of 2
Author:  Matthew [ Sun Aug 31, 2014 8:21 pm ]
Post subject:  Removing yellow staining - Update Sept. 6
Edit: See this post for Sept.6 Update.

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This is something that has been talked about for years, but never needed, until now.

I was working on a commission and needed a Clutch head, and the only one I head was yellowed. I read about using industrial peroxide, but didn't want to fool with that. Someone said OxyClean mixed with peroxide. Then someone mentioned just OxyClean. I had some, so I mixed it hot water and left it in a window sill for a week.

It actually worked! I wanted to try it again, though, with something that I could compare. I had a severally sun burnt Rampart. I put one thigh half and lower leg. Kept it in a week, shaking it every few days. Here are the results.

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Author:  Otto the Otter [ Sun Aug 31, 2014 9:44 pm ]
Post subject:  Re: Removing yellow staining
Nice. Does it work for other base colours like Stinger Driver grey or Hooded Cobra Commander blue?
Author:  GITrekker [ Sun Aug 31, 2014 10:34 pm ]
Post subject:  Re: Removing yellow staining
Holy cow! I'm impressed. I'm also interested in your precise formula. How much OxyClean did you mix into the water? For that matter, if I recall, G.I. Joe parts have a tendency to float. How did you keep it in the water? Did it have any detrimental effects on the strength of the plastic?

I've got any number of G.I. Joes, COPS, and a couple of Visionaries that could benefit from this. It's been a longstanding problem in the collecting world, and this is the first solution I've ever seen that really worked!
Author:  Matthew [ Mon Sep 01, 2014 9:31 am ]
Post subject:  Re: Removing yellow staining
So far I've only tried it on flesh and tan. If I can find some other part colors, I'll try those. They did float, but didn't seem to matter since I would shake up the solution every day.

As for mixture, just guessed. I'll try it again with something quantifiable.


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Author:  Matthew [ Mon Sep 01, 2014 9:32 am ]
Post subject:  Re: Removing yellow staining
Oh, and it doesn't seem to affected plastic quality, but one never knows :-)


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Author:  GITrekker [ Mon Sep 01, 2014 5:24 pm ]
Post subject:  Re: Removing yellow staining
Thank you for your updates, Matthew. I'd be interested in knowing how well it fares on light blue and white. I doubt it would have any adverse effect on the plastic, and clearly it doesn't have any adverse effect on paint. I ran this idea past a friend of mine who used to work in the plastics industry, and he doesn't think the solution should damage plastic.

I look forward to your further progress reports. :)
Author:  Scarrviper [ Mon Sep 01, 2014 5:58 pm ]
Post subject:  Re: Removing yellow staining
Nice! Might have to try this the next time I come across some discolored parts.
Author:  joemichaels70 [ Mon Sep 01, 2014 10:56 pm ]
Post subject:  Re: Removing yellow staining
so, no noticeable weakening of the plastic?
Author:  notpicard [ Tue Sep 02, 2014 3:21 am ]
Post subject:  Re: Removing yellow staining
I also didn't want to mess with industrial grade peroxide. I hadn't heard that Oxy Clean works. I used regular peroxide in a jar in a window and it worked. I wonder how Oxy Clean compares to just regular Peroxide.
Author:  Lance Sputnik [ Tue Sep 02, 2014 7:17 am ]
Post subject:  Re: Removing yellow staining
By regular peroxide, do you mean hydrogen peroxide? Or is there another product out there I should be looking for?
Author:  notpicard [ Wed Sep 03, 2014 9:44 am ]
Post subject:  Re: Removing yellow staining
Just Hydrogen Peroxide from Wal-mart.
Author:  Matthew [ Wed Sep 03, 2014 9:46 am ]
Post subject:  Re: Removing yellow staining
notpicard wrote:
I also didn't want to mess with industrial grade peroxide. I hadn't heard that Oxy Clean works. I used regular peroxide in a jar in a window and it worked. I wonder how Oxy Clean compares to just regular Peroxide.


I'm going to leave the parts in for a full week, then may try a cheap peroxide and OxyClean mix after that.

On the Clutch head, some paint came off, so I was afraid to do a Stinger Driver. If this batch works, I'll try some more important parts :-)
Author:  GITrekker [ Wed Sep 03, 2014 4:07 pm ]
Post subject:  Re: Removing yellow staining
I wonder how the imprinted emblems like Cobra logos will fare with this?
Author:  Matthew [ Sat Sep 06, 2014 9:34 am ]
Post subject:  Re: Removing yellow staining
1 cup of water to 1 tablespoon of OxyClean. Set out in the sun for roughly a week. I would shake up the solution daily.

Before
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Photo Sep 01, 12 23 07 PM.jpg
Photo Sep 01, 12 23 07 PM.jpg [ 211.07 KiB | Viewed 1546 times ]


After
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Photo Sep 06, 9 19 22 AM.jpg
Photo Sep 06, 9 19 22 AM.jpg [ 192.81 KiB | Viewed 1546 times ]


Still some yellowing, but definitely see improvement. Seems like Long Range's hair has changed color, but it looks to be the only paint affected. Next I will try OxyClean and cheap-o Peroxide.
Author:  MaroonTyphoon [ Sat Sep 06, 2014 9:40 am ]
Post subject:  Re: Removing yellow staining - Update Sept. 6
Wow- that looks great. Good work, and thanks for the info.
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