Subject:
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Re: Long Term Packaging
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Newsgroups:
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lugnet.general
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Date:
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Tue, 18 Jul 2006 16:26:48 GMT
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Viewed:
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2288 times
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Dan Simonson wrote:
> In lugnet.general, Frank Filz wrote:
> > Dan Simonson wrote:
> > > Is there anything better that I can do? Anything bad that typically
> > > happens over long-term storage? I've heard of white bricks
> > > yellowing... the container will be opaque, and having seen the nice
> > > sun tans some of my white bricks have recieved, that should help
> > > lower risks of damage.
> >
> > Yellowing may not just be due to sun. A few years back, I opened
> > some sealed sets that were from the 70s. They had yellowed blue
> > bricks (but not all the blue bricks), so I assume there are other
> > causes of yellowing than just UV damage (and the boxes weren't
> > faded, so it wasn't like they were sitting in the window, and
> > allowing some tiny amount of UV to get through - though that could
> > still be what was going on, even if there wasn't enough exposure to
> > fade the boxes).
>
> Blue bricks? Interesting.
Yes, blue definitely also yellows. Several years ago I bought out a kids
collection. I found a significant number of yellowed blue bricks. I don't
think I've ever seen discolored red, green, yellow, black, or dark grey
bricks (though looking through this collection, I've noticed that red has
changed several times, but the differently colored red bricks have always
been uniformly colored so they don't appear to be discolored the way white,
blue, and light grey discolor where it's definitely non-uniform, and often
clearly light induced with obvious shadowed areas being less discolored).
On Gary's theory that the blue bricks might have had sun exposure before
being used in a set, I'm not sure that is necessarily the problem. My
thought is that outgassing from the box or the bags releases a chemical that
discolors the bricks, though why some would be susceptible and not others in
the same package, I don't know. I do seem to remember the blue bricks in
question weren't in the plastic bag with the other parts in the sets I
opened though.
Frank
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