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Suggestions of chemical to finish PLA prints?

Posted by Enlightx 
Suggestions of chemical to finish PLA prints?
December 29, 2012 01:33PM
Iya

Just wondering if anyone has suggestions on a chemical to finish off PLA prints (similar to acetone on ABS prints)

googling around i found

caustic soda
chlorinated solvents
benzene at an elevated temperature

has any one ever tried these?

i want to advoid nasty white covering that you get with aceton and PLA
Re: Suggestions of chemical to finish PLA prints?
December 29, 2012 02:10PM
Good question. I have been wondering about this too. I have not yet seen anyone smooth a PLA print the way I have seen ABS dunked in acetone.

Perhaps a heat gun could be used??? But that would be more of an art than a science.

I would love to see what people come up with smiling smiley


FabberForge - Printing Happiness

[www.fabberforge.com]
Re: Suggestions of chemical to finish PLA prints?
December 29, 2012 05:38PM
WHen I want my ABS to be very clean (to paint and look like a finished part) I paint them with a filler primer first, this is a thick primer that fills in any pin holes, scratches and lines. I give it a few coats and then add the final paint color.

I would think you could do the same with PLA.

I have attached a few example. The purple one was dipped in acetone, the painted rough one was just painted and the Trek-final was sprayed with a few coats of filler primer then painted.
Attachments:
open | download - Trek-Badge.jpg (160.9 KB)
open | download - Trek-BadgePainted.jpg (184.1 KB)
open | download - Trek-Fine.jpg (79.6 KB)
Re: Suggestions of chemical to finish PLA prints?
December 29, 2012 09:45PM
Cool trek pins smiling smiley

Got a brand of prefered filler primer?
Re: Suggestions of chemical to finish PLA prints?
December 29, 2012 11:12PM
Idolcrasher Wrote:
-------------------------------------------------------
> Cool trek pins smiling smiley
>
> Got a brand of prefered filler primer?


Yes, Dupli-Color. Normally sold at automotive paint stores and [www.tcpglobal.com]
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