 | | Re: Variations in dark blue color.
|
|
(...) John: That might work if you were using precolored pellets...but honestly...if you were using precolor, you wouldn't see the variation. :-) With both concentrates and liquid color, there can easily be shot-to-shot variation if (...) (17 years ago, 16-Feb-08, to lugnet.color, FTX)
|
| |
| | Re: Variations in dark blue color.
|
|
(...) Excellent lesson. This kind of material would have been welcome in this group a couple of years ago. Better late than never. Thanks for the info. Doug (17 years ago, 16-Feb-08, to lugnet.color, FTX)
|
| |
| | Re: Variations in dark blue color.
|
|
(...) Thanks, it is starting to clear things up for me. Would a solution be to make the bricks from one batch, or at least put bricks into the box from the same mixture? I am somewhat familiar with dye lot variations as I worked in the needlecraft (...) (17 years ago, 16-Feb-08, to lugnet.color, FTX)
|
| |
| | Re: Variations in dark blue color.
|
|
(...) John: Not quite. Flextronics is a molder, while the suppliers they would buy precolored pellets from are compounders. The difference is all in the method and intensity of mixing. When a compounder colors a resin like ABS, they do start with a (...) (17 years ago, 16-Feb-08, to lugnet.color, FTX)
|
| |
| | Re: Variations in dark blue color.
|
|
(...) I believe that although the chemical coating prolongs the life of the model, it doesn't mean it will last indefinitely or will never yellow. It just means it takes longer to do so. I wish I remembered the stats, but I think it's something like (...) (17 years ago, 15-Feb-08, to lugnet.color)
|
| |
| | Re: Variations in dark blue color.
|
|
(...) Thanks for the explanitation. I still would think that if the supplier of the pellets starts off with a clear plastic and then adds color, it would be the same for Flextronics starting with a clear plastic and adding color to make the pellets. (...) (17 years ago, 15-Feb-08, to lugnet.color)
|
| |
| | Re: Variations in dark blue color.
|
|
(...) 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)
|
| |
| | mega blocks vs lego
|
|
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)
|
| |
| | Re: Variations in dark blue color.
|
|
(...) 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)
|
| |
| | Re: Variations in dark blue color.
|
|
(...) 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)
|
