Subject:
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Re: Yellowing of white bricks/plates
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Newsgroups:
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lugnet.build
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Date:
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Wed, 27 Feb 2002 17:32:27 GMT
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Viewed:
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401 times
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In lugnet.build, Greg Young writes:
> I don't know if this had been addressed before, but since I'm kind of new,
> here goes: Has anyone else experienced a random yellowing of white bricks
> and plates? Some pieces turn this color, while others adjacent will not.
> Because of this I don't think it's the sun and UV. I is a manufacturing
> defect? Just curious.
I would guess that sun/UV damage is cumulative. Possibly the reason that
adjacent pieces don't fade equally is that some of them have had more
previous exposure than others. Another possibility, as you mention, is
manufacturing variances. The plastic Lego uses has changed over time, and
old pieces might react differently than new pieces even if they are both
fresh out of the box.
This is just conjecture, though- I'm no expert on the subject.
Now I'm thinking again about the classic space ships by my office window. I
try to rotate which ones sit in that area, and give the white models a
shorter period.
--
Tony Hafner
www.hafhead.com
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Message has 1 Reply:
 | | Re: Yellowing of white bricks/plates
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| I'm just learning this stuff, so don't quote me. The plastic is damaged by light at the more energetic end of the spectrum: ultraviolet. After time, it reflects less of the visible light at that end of the spectrum: white plastic starts to absorb (...) (22 years ago, 27-Feb-02, to lugnet.build)
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Message is in Reply To:
| | Yellowing of white bricks/plates
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| I don't know if this had been addressed before, but since I'm kind of new, here goes: Has anyone else experienced a random yellowing of white bricks and plates? Some pieces turn this color, while others adjacent will not. Because of this I don't (...) (22 years ago, 27-Feb-02, to lugnet.build)
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