 | | Re: Variations in dark blue color.
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(...) John, Adding color dye to clear ABS is like taking a bowl of flour, and adding food coloring to it. You will find that as you mix the flour, some of the flour will wind up being tinted a little darker than other areas. It depends on your (...) (17 years ago, 15-Feb-08, to lugnet.color)
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| | mega blocks vs lego
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someone mentioned Mega Blocks, I think it was me. here is a little film I found about Mega Blocks vs Lego. The ending is rather insightful. (URL) P (17 years ago, 14-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) Thanks, that makes sense too. I wish I could replace these as this is a great display piece. It is so large I have it on the patio. John P (17 years ago, 14-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) Scott: You pretty much nailed all the points I was thinking about making here. I've worked for a specialty thermoplastics compounder for 7 years now both as a product development/formulation engineer and as a computer aided engineering (...) (17 years ago, 14-Feb-08, to lugnet.color, FTX)
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| | Re: Variations in dark blue color.
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(...) Is there any consistency of fading by brick type, that could be explained by different molding batch? I have huge constructions of white and yellow bricks which were not consistent from the factory. The 1x4s and 2x2s were obviously differently (...) (17 years ago, 14-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) 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)
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| | Re: Variations in dark blue color.
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(...) Thanks David, that makes sence John P (17 years ago, 13-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) 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 (...) (17 years ago, 13-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) 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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| | Re: Variations in dark blue color.
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<snip> > At some point in its (...) As someone who has had the dubious pleasure of maintaining a piece like that, I can tell you that it had gotten damaged. (Little curious fingers, pulling, pushing, etc.) When something like that receives damage, (...) (17 years ago, 13-Feb-08, to lugnet.color)
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