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What solvents are safe for cleaning FUD? [message #41851] Fri, 13 January 2012 10:15 UTC Go to next message
avatar maketshi  is currently offline maketshi
Messages: 18
Registered: October 2011
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I'm using rtv silicone on FUD, and I've heard something about FUD can inhibit curing of silicone. My parts that just arrived have an oily residue that I would like to remove.

What can I use to clean it? Would acetone destroy it?

Also, what can I use as a primer coating?
Re: What solvents are safe for cleaning FUD? [message #41852 is a reply to message #41851 ] Fri, 13 January 2012 10:22 UTC Go to previous messageGo to next message
avatar stop4stuff  is currently offline stop4stuff
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Registered: June 2010
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Warm water, washing up liqud (the stuff used for hand washing crockery etc) & a soft brush should do the trick if it is just the oil - iirc the oil is coconut oil.

There's more methods in the post production forum - http://www.shapeways.com/forum/index.php?t=msg&th=5438&a mp;start=0& - an ultrasonic cleaner work very well, but it will lift wax out the surface of the model leaving the model 'frosted'.
Re: What solvents are safe for cleaning FUD? [message #41919 is a reply to message #41852 ] Sat, 14 January 2012 03:40 UTC Go to previous messageGo to next message
avatar Roy_Stevens  is currently offline Roy_Stevens
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Registered: November 2009
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I use 90% isopropyl alchohol in an ultrasonic cleaner. Sometimes it takes a bit more and then I use a soft bristle toothbrush and alchohol. It will frost the model, and leaving the model in the alchohol for an extended period can damage it.


Earl Grey, hot.
Re: What solvents are safe for cleaning FUD? [message #41922 is a reply to message #41919 ] Sat, 14 January 2012 05:23 UTC Go to previous message
avatar maketshi  is currently offline maketshi
Messages: 18
Registered: October 2011
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Junior Member
I hit my model with some 90% iso and a toothbrush, then hit it with some 600 grit sandpaper, and scrubbed it with the iso again.

They're looking pretty good now.

Went to mix up some silicone for a test, only to find out my silicone has gone bad.

 
   
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