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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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(...) 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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(...) 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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(...) 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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(...) 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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(...) 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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(...) 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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<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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| | Re: Variations in dark blue color.
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It is true that where LEGO used to receive color-molded pellets for (...) Scott, a question, why is it more difficult to control the color with clear plastic than it was to control the color in the older method of using colored plastic? Is it not (...) (17 years ago, 13-Feb-08, to lugnet.color)
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(...) I'll echo Tommy's comments on colors. I've got four years experience working with injection molding machines, and about 8 years experience in manufacturing processes. It is true that where LEGO used to receive color-molded pellets for molding, (...) (17 years ago, 13-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) I find very few, if no packing errors which always amazes me. Thousands of parts in a set and they are always perfect. When I build sets with my Grand daughter she will say this piece or that piece is missing. I tell her to look harder, she (...) (17 years ago, 13-Feb-08, to lugnet.color)
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(...) Ross, Thanks for this! I appreciate someone representing the truth of what's going on, and I admit my statement was over generalized. I would like to point out two things though. Mold making and parts making are being moved out of Denmark. (...) (17 years ago, 13-Feb-08, to lugnet.color, FTX)
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| | Re: Variations in dark blue color.
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::snip:: (...) ::snip:: I'm sure that packing errors are devastating to kids (who start a model but can't complete it), but I don't mind so much, in light of how I received at least 2 bags of extra parts with my new Town Plan! It seems that (...) (17 years ago, 13-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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As I have commented before- At least as long as I have been dealing with LEGO bricks, there have been variations in the color. But, I polish almost every brick I use in my little engraving business and one can see the variations more clearly when (...) (17 years ago, 13-Feb-08, to lugnet.color)
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(...) The keynote speech at Brickworld 2007 by Richard Stollery, the head of LEGO community, contained these points and specifically mentioned the orange garbage truck with pieces you could almost see thorough. They had the choice of not producing a (...) (17 years ago, 13-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) I believe I read somewhere that the ABS pellets are now transparent, and color is injected during the moulding process? Whereas before, the pellets came colored prior to being used. I could be wrong though. But as for the color variations that (...) (17 years ago, 13-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) Here we go: (URL) (17 years ago, 12-Feb-08, to lugnet.color)
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| | Re: Variations in dark blue color.
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(...) It's dropping-- not by huge leaps and bounds as people might lead you to believe, but it's dropping. But there's not much I can say other than "it's worse than it was before". I compare elements molded in roughly 1999 to elements molded today, (...) (17 years ago, 12-Feb-08, to lugnet.color)
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