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Post by deepsplinter on Mar 15, 2010 13:34:00 GMT -6
I need to "un-glue" some spindles that were glued in (sloppily) with poly glue. Not my mistake, really wasn't, but I got the job of fixing it.
The containers tell ya to clean up excess with mineral spirits before it sets up.
Will mineral spirits break down the cured glue?
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rhull
WoW Member
Posts: 422
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Post by rhull on Mar 15, 2010 13:46:41 GMT -6
I don't think you're going to find any solvents for polyurethane that aren't also going to ruin the wood.
Your best bet is to use a chisel/sandpaper to remove the excess as well as you can.
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Stretch
WoW Member
Mark Muhr
Posts: 461
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Post by Stretch on Mar 15, 2010 14:56:58 GMT -6
I know that lacquer thinner will soften a polyurethane finish enough that you can scrape it off with a plastic scraper. It's worth a try I suppose. If that fails, you're on to stronger solvents that I really don't like messing with.
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Post by TDHofstetter on Mar 15, 2010 15:15:50 GMT -6
Straight acetone will do it - nail polish remover.
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Post by deepsplinter on Mar 15, 2010 16:05:30 GMT -6
Cool, I try some acetone.
Will it eat into the finish? I don't have a clue what it is.
This piece is old, but not "antique old".
I'll play around with acetone on an inconspicuous spot.
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Post by TDHofstetter on Mar 15, 2010 16:45:36 GMT -6
Will it eat into the finish? I don't have a clue what it is. ... I'll play around with acetone on an inconspicuous spot. It really depends upon what that finish is... it's best to test.  |
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Post by triplefreak on Mar 16, 2010 13:37:44 GMT -6
MEK will remove it, but it's highly toxic to humans. Be careful with that stuff.
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Post by TDHofstetter on Mar 16, 2010 14:25:06 GMT -6
Now ya got me wondering, TF! Any idea if TCE will do it? S'me guys I used to know who ran a small automotive garage bought a barrel of TCE to wash parts in...  ! ! ! |
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Post by triplefreak on Mar 16, 2010 14:29:10 GMT -6
Tri Chloro Ethylene, TCF, will break down a lot of substances, but it's really inefficient at breaking down 4,4’-Diphenylmethane-diisocyanate.
Better known as Gorilla Glue.
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rrich
WoW Member
Posts: 737
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Post by rrich on Mar 16, 2010 20:59:15 GMT -6
Methyl Ethyl Ketone (MEK) was to be my choice also. It is nasty stuff. Use out doors only and NO SMOKING! I have seen the stuff ignite from the hot end of a cigarette.
Wear Nytril gloves / NOT LATEX. (DAMHIKT)
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Post by TDHofstetter on Mar 16, 2010 22:17:17 GMT -6
MEK's funny stuff. Unless I'm mistaken, that's the largest component of both PVC plumbing solvent and PVC plumbing cement (which also contains dissolved PVC).
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