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Thread: Whitening yellowed toys with Hydrogen Peroxide

  1. #401
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    Just discovered this thread, and excited at the prospect of whitening G1 toys.
    But its a little hard to follow - one link said UV exposure was the cause, so wouldn't putting your hydrogen peroxide bath in the sun discolour the parts that aren't yellowed?

    Will it still work in peroxide bath in the absence of sunlight? If you left it longer or more concentrated?
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  2. #402
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    as far as I understand (I've never done it myself) putting the Peroxide bath in the sun will activate the solution making the process much faster.

    I do believe there is a caveat with this in that if you expose your plastic to the active peroxide for too long you will (I think) damage the surface of the plastic.

    yellowing by exposure to sunlight is something that happens over months/years, a couple hours exposure will have no noticeable effect on the parts.

    I believe you can leave the bath in the dark but the process will then take days
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  3. #403
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    If you're in no rush to de-yellow your item than it doesn't need to be in direct sunlight to work. Just de-yellowed my VF-1S and currently doing my VF-1A, all the while it never was in direct sunlight. Patience goes a long way.
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  4. #404
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    How many uses can you get out of one lot peroxide
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  5. #405
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    Quote Originally Posted by Darksaber View Post
    How many uses can you get out of one lot peroxide
    Used mine 3 times so far and no problems. One thing though, if your item has heavy yellowing, these will form clumps that will gather at the bottom of your jug/jar. I had to filter the peroxide before I could use it again.
    WANTED BOTS: G1: Horri-bull, Snarler, Mainframe, Chop Shop, Ransack CHUG: Razorclaw, Rampage, Divebomb, Headstrong, Tantrum, Battle Patrol, Race Car Patrol, Rescue Patrol, Air Strike Patrol, Optimus Prime MASTERPIECE: Acid Storm, Cordon
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  6. #406
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    Quote Originally Posted by CHILENO20 View Post
    Used mine 3 times so far and no problems. One thing though, if your item has heavy yellowing, these will form clumps that will gather at the bottom of your jug/jar. I had to filter the peroxide before I could use it again.
    Thanks for that I recently did my g1 ratchet which came up amazing and my g1 starscream is currently soaking and looking better by the day
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