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#12306811 - 06/22/17 03:10 PM Removing 3M 4200
ROT Angler Offline
Outdoorsman

Registered: 05/09/17
Posts: 62
Loc: Mesquite, TX
I was resealing the thru hull fittings on my boat the other day and things got a little messy and I didn't notice that I left behind a small palm print. What is the best way to remove 3M 4200 without damaging the gelcoat? Is there a chemical that is safe to use, or should I carefully try to wet sand the area? I tried the search engine and didn't get any hits, thanks in advance for any replies.

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#12307007 - 06/22/17 04:46 PM Re: Removing 3M 4200 [Re: ROT Angler]
CADD Offline
Outdoorsman

Registered: 08/02/03
Posts: 235
Loc: Spring Branch, TX USA
C4 or good amount of Dynamite... 3M makes softener/remover but costly I'd guess and probably have order it. At least it's not 5200 smile might try a razor?
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2001 Pathfinder 2200V 150Vmax HDPI
2015 Diablo Amigo (Sand Fleck)


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#12307276 - 06/22/17 07:27 PM Re: Removing 3M 4200 [Re: ROT Angler]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11479
Loc: Littlefield Tx & Lake A. H. US...
I would try WD40 first.
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#12307558 - 06/22/17 10:24 PM Re: Removing 3M 4200 [Re: ROT Angler]
grout-scout Offline
TFF Celebrity

Registered: 12/08/08
Posts: 7147
Loc: Boerne, Texas
Should just rub off with your fingers, with a little pressure.

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#12307645 - 06/22/17 11:54 PM Re: Removing 3M 4200 [Re: ROT Angler]
Bobby Milam Offline
TFF Team Angler

Registered: 07/13/14
Posts: 3594
Loc: Arlington
If you have a multi tool with the scraper blade, it will take it off very easily in one piece with no damage to boat if you keep it flat

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#12307781 - 06/23/17 07:35 AM Re: Removing 3M 4200 [Re: ROT Angler]
steve@hydrodynamics Offline
TFF Celebrity

Registered: 08/25/06
Posts: 6866
Loc: Quitman,Tx
i use a razor blade/scrapper and acetone.
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#12307932 - 06/23/17 09:21 AM Re: Removing 3M 4200 [Re: ROT Angler]
ringer Offline
TFF Team Angler

Registered: 02/27/08
Posts: 3771
Loc: Arizona
There is a spray called Unhesive that got my jackplate off and that was on with 5200. Glass shop said they would have to tear it off and repair the broken glass. The stuff works.

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#12308602 - 06/23/17 04:16 PM Re: Removing 3M 4200 [Re: ROT Angler]
ROT Angler Offline
Outdoorsman

Registered: 05/09/17
Posts: 62
Loc: Mesquite, TX
I may start with a little WD-40, I also read about Unibond Sealant Remover if I can find it. I'll check on the Unhesive too and see if anyone carries. It's a real thin spot so it's hard to get under it with a blade to try and pop it off, I haven't been able to get any good C4 in years, maybe I can use a little tannerite and hit it with the AR. Thanks again for the suggestions.

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#12308844 - 06/23/17 06:51 PM Re: Removing 3M 4200 [Re: ROT Angler]
CADD Offline
Outdoorsman

Registered: 08/02/03
Posts: 235
Loc: Spring Branch, TX USA
"I haven't been able to get any good C4 in years, maybe I can use a little tannerite and hit it with the AR."

smile the stuff can be unreal on how strong it is, good luck!
_________________________
2001 Pathfinder 2200V 150Vmax HDPI
2015 Diablo Amigo (Sand Fleck)


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#12308931 - 06/23/17 08:25 PM Re: Removing 3M 4200 [Re: steve@hydrodynamics]
Chris B Offline
TFF Celebrity

Registered: 05/02/03
Posts: 8502
Loc: Prosper, TX
Originally Posted By: steve@hydrodynamics
i use a razor blade/scrapper and acetone.

thumb
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