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Identifying the scrap plastic at OLI 
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Joined: Mon May 13, 2013 5:00 pm
Posts: 21
Real Name: John Hodges
Much of the scrap plastic now next to the frig at OLI is white, shiny, trademarked "Simona America Inc.". Gary thinks it came from the Micron "desirable trash" dumpster. I measured 1.43 gram/cc, which is close to Delrin(1.41), but it doesn't look or feel like Delrin. Simona makes mostly polypropylene(0.65), HDPE(0.95), and PVC(1.3~1.45)

It's sawdust feels and looks like PVC, and Weld-On 700 sticks it to itself, somewhat. I'm going with PVC, final answer. Anyone know?

I plan to experiment with solvent-welding PLA to PVC with Weld-On #4, unless somebody has already tried it. Ability to "glue" little printed parts onto free slabs of plastic would open the world of larger parts to the 3D-impatient.


Thu Jun 05, 2014 11:45 am
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Joined: Thu Nov 21, 2013 11:29 pm
Posts: 3
Real Name: Jordan Cotter
I think it's PVC, also. On a side note, I've heard that PVC off gasses toxic fumes when cut or exposed to a certain temperature.


Sat Jun 21, 2014 9:59 am
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Joined: Wed Jun 06, 2012 9:30 pm
Posts: 334
Real Name: Randy
Yes it is from Micron disposed scrap. Some of it does have labels, but have not tried most of it yet. It could be a PVC.

Randy


Thu Jul 03, 2014 5:33 pm
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