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Thread: Preserving a new SNES/SFC

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    Sfc 3 Preserving a new SNES/SFC

    I have a couple of yellow SNES consoles at home, one I bought when the system came out, the other one I picked up cheap to perform the 50/60hz and region mods on. I'm seeing some SNES consoles for sale, which are mint/new, and haven't turned yellow (yet). If a SNES hasn't turned yellow yet, can I assume that it will stay grey when preserved in box? I remember somebody posting in a thread that he had 2 systems he preserved, but only one turned yellow. I don't feel like messing around with retro-brite and such.

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    it should stay grey for very long. it was some of nintendo's plastic batch being awfully cheap... if you have a good batch you should be safe for very long. also being boxed it'll sit in the dark, a very convenient thing to avoid "yellowing".
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    Its nothing to do with the plastic "being cheap" it was the use of bromine as a flame retardant and used to be common practice. Most things from that era will go yellow.

    The bromine reacts in oxygen (and sped up by UV) and turns yellow.

    http://retr0bright.wikispaces.com/Ultra+Violet+Energy


    Nintendo later stopped using bromine as far as I know - which is why you see some consoles with parts that are yellow and others that arent - a mix of the early and later plastics.
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    Quote Originally Posted by Bad_Ad84 View Post
    Its nothing to do with the plastic "being cheap" it was the use of bromine as a flame retardant and used to be common practice. Most things from that era will go yellow.

    The bromine reacts in oxygen (and sped up by UV) and turns yellow.

    http://retr0bright.wikispaces.com/Ultra+Violet+Energy


    Nintendo later stopped using bromine as far as I know - which is why you see some consoles with parts that are yellow and others that arent - a mix of the early and later plastics.
    Now that would explain why my controller ports are yellow only....
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    Quote Originally Posted by Bad_Ad84 View Post
    Its nothing to do with the plastic "being cheap" it was the use of bromine as a flame retardant and used to be common practice. Most things from that era will go yellow.

    The bromine reacts in oxygen (and sped up by UV) and turns yellow.

    http://retr0bright.wikispaces.com/Ultra+Violet+Energy


    Nintendo later stopped using bromine as far as I know - which is why you see some consoles with parts that are yellow and others that arent - a mix of the early and later plastics.
    Unfortunately it is possible to get yellowing on SNES's which is not bromine/UV related. Easy way to tell is to look inside the case and you'll see the yellowing/discolouration is quite uniform. I sadly have two which have dramatically yellowed outside and inside and Retr0bright does not touch them.

    On the other hand I have successfully used Retr0bright on a SNES pad with great results!

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    Yellowing from bromine to due to reaction with oxygen, not UV.

    UV just speeds it along
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    Might be able to seal the plastic from oxygen but I have no idea what it would be or how well it would work. If it hasn't yellowed by now it probably won't.
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  8. #8
    I've always thought it'd be a good idea to seal my SNES in a vacuum bag as its in perfect condition with no yellowing. I'd hate to open the box one day and find it all jaundiced.

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    Any way of getting a mold made up maybe with out flame retardant and bam case shell replacements for super famicom and usa super nintendo and make new shells.

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    Well you could try 3d printing but I bet it would be expensive.
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