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Forums
4hv.org :: Forums :: General Science and Electronics
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Sticky problem - acrylic

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dmg
Fri Jul 02 2010, 03:25PM Print
dmg Registered Member #2628 Joined: Fri Jan 15 2010, 12:23AM
Location:
Posts: 627
Ive been working with some acrylic, when ive run into a problem,

after removing the protective backing of the thing, there seems to have left behind a nice layer of translucent, dried glue-like fuzz on the piece from the paper,
this is very stuborn, tried to have it under hot water, scratched it with rough cloth, scratched with fingernails, even tried to use a razor to get at the corners, but with no effect...

anyone got any ideas or had this issue before?
1278084329 2628 FT0 Ablock
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101111
Fri Jul 02 2010, 03:49PM
101111 Registered Member #575 Joined: Sun Mar 11 2007, 04:00AM
Location: Norway
Posts: 263
I would try isopropanol.
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dmg
Fri Jul 02 2010, 04:38PM
dmg Registered Member #2628 Joined: Fri Jan 15 2010, 12:23AM
Location:
Posts: 627
hmm.. just tried it now with no effect... I poured some on and scrubbed it, and nothing.

Ill let the block sit in this stuff for the next hour in a ventilated room and we will see what happens..

EDIT: looks like an hour is unessasary, I checked 10 minutes after leaving it in the solution, the glue residue was effectivly turned into a pulp, which was easy to remove my rubbing it with some rag..

Thanks for your help.
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IntraWinding
Fri Jul 02 2010, 07:59PM
IntraWinding Registered Member #2261 Joined: Mon Aug 03 2009, 01:19AM
Location: London, UK
Posts: 581
Hurrah for IPA!!!
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klugesmith
Fri Jul 02 2010, 10:30PM
klugesmith Registered Member #2099 Joined: Wed Apr 29 2009, 12:22AM
Location: Los Altos, California
Posts: 1716
A product found in most offices, which I've found to work very well on dried masking film residue,
is white-board cleaning fluid. In handy spray applicator! Link2

Contains IPA and ethylene glycol monobutyl ether. Link2 Still helps to let it soak in for a few minutes.
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