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Subject: 
Re: Variations in dark blue color.
Newsgroups: 
lugnet.color
Date: 
Wed, 13 Feb 2008 22:12:16 GMT
Viewed: 
9424 times
  
In lugnet.color, John Patterson wrote:
I don't think that is the problem in that it is random all over the piece and
there is no way these could have been damaged.

I've been told this is common among white elements especially-- that they're
more susceptible to light damage (or perhaps just that it's more noticeable in
white). I was told (IIRC this was from master builders in Enfield) that even the
tiniest of tiny variations can make a white piece go yellow, such that even
elements in the same batch of bricks can behave differently.

From the sounds of it, though, I'd guess that when it was being constructed, it
was being built from several different batches of white, a few of them being
more vulnerable to light.

DaveE



Message has 2 Replies:
  Re: Variations in dark blue color.
 
(...) Thanks David, that makes sence John P (17 years ago, 13-Feb-08, to lugnet.color)
  Re: Variations in dark blue color.
 
(...) ABS in and of itself will yellow. With white the yellowing is just more evident. Yellowing occurs in blue and red and all the other colors but is masked. It is analogous in paint to the fact that certain resins will yellow with age. Acrylic is (...) (17 years ago, 13-Feb-08, to lugnet.color)

Message is in Reply To:
  Re: Variations in dark blue color.
 
(...) Hi Rich I don't think that is the problem in that it is random all over the piece and there is no way these could have been damaged. There will be a row with 30 pure white and 20 yellowed and the new row is both also. This is from the bottom (...) (17 years ago, 13-Feb-08, to lugnet.color)

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