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Old 09-09-2013, 04:19 AM   #1
dereckbc
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Default Foam Safe Cleaners and Solvents

OK I know about glues, but what about solvents to clean up glue joints or runs?

I know acetone is out.
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Old 09-09-2013, 04:49 AM   #2
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Depends on the foam and the finish used (if you don't want to take the paint off)

If using a water based glue then use a damp paper towel or similar.
Whatever solvent is in the glue is what you use. For Epoxy use denatured alcohol (and get it before the epoxy starts to stiffen)

For general cleaning of the models I use foaming bathroom cleaner... after testing on scrap foam... since the bubbling action can lift dirt out of the little crevices between beads of EPO or EPS. I haven't had much luck cleaning EPP.
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Old 09-09-2013, 05:08 AM   #3
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Originally Posted by fhhuber View Post

If using a water based glue then use a damp paper towel or similar.
Whatever solvent is in the glue is what you use. For Epoxy use denatured alcohol (and get it before the epoxy starts to stiffen)
THX yeah those two I know, I should have been more specific. What to use on CA? I know Acetone dissolves CA, but also the foam with it.
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Old 09-09-2013, 07:31 AM   #4
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Water eventually dissolves CA... it can take a very long time though.

If its normal CA and that didn't eat the foam then you are may be dealing with EPO If so, carefully flex the area (to avoid permanent deformation) and the CA will pop off. EPO is the next best thing to Teflon. Nothing really bonds to it. Some glues stick well enough to fly but you can disassemble it every time.
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Old 09-09-2013, 08:33 AM   #5
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I use Rubbing Alcohol on Depron to remove the Release agent that is on the foam so glue, paint and stickers will attach to it, test on other foams, test a CA de bonder on foam to see if it wont desolve it. Take care, Chellie

I may be getting Older, But I Refuse to grow Up I am Having to much Fun to Grow Up LOL
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Old 09-13-2013, 09:30 PM   #6
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You could try testing a small, inconspicuous area with Testors enamel or airbrush thinner to see how it behaves.. A relatively fast wipe done without soaking the foam has worked for me, without eating foam.
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Old 10-11-2013, 08:24 PM   #7
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Epoxy - Parafin / Kerosene / De-natured alcohol

CA - De-bonder but better is your Wife's Nail Polish Remover ...

Water based glues - Wet cloth but with PU (GG) only when fresh ... as it reacts it will resist stubbornly.

PVA (White glue) - water

Contact glue - Paint thinners / acetone

ALL the above save the water based need testing on scrap foam first ... any petroleum based will eat many foams as will acetone, Nail Polish remover etc.

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