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Old 09-12-2014, 09:41 PM   #1
knt
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Ran over polyurethane bottle

Hi,

I ran over a polyurethane window sealant bottle and it exploded over the paint. Does anyone know of a safe way to remove it without damaging the clear coat and paint?
I've tried goof off, 3M Special Adhesive remover but doesn't work.

Thanks,

knt
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Old 09-12-2014, 09:58 PM   #2
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Quote:
Originally Posted by knt View Post
Hi,

I ran over a polyurethane window sealant bottle and it exploded over the paint. Does anyone know of a safe way to remove it without damaging the clear coat and paint?
I've tried goof off, 3M Special Adhesive remover but doesn't work.

Thanks,

knt
Unfortunately, there is no solvent for cured polyurethane sealants like Tremco and SikaFlex. If you look at the SikaFlex website, it recommends mechanical means for removal of cured sealants. A heat gun might work to soften it a bit. You might then follow up with denatured alcohol or acetone, but it's gonna require at least a few containers of elbow grease!!
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Old 09-13-2014, 12:47 AM   #3
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Old 09-13-2014, 02:00 AM   #4
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Try Gumout spray carb cleaner. I would get as much off with a razor and then use the Gumout. Be careful not to mess up the clear coat with the razor. You need to get the bulk of it off mechanically and clean up the thin layer of what is left with the Gumout.

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Old 09-14-2014, 05:40 PM   #5
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As stated, a razor blade and very gently, slowly trim off as much as possible, then it is will be some sort of solvent like Mineral Spirits or even WD40. I would not use MEK personally, it can etch the paint/clear coat and it is VERY caustic to humans and can cause migraines with minor skin contact in some people.

Your best bet is slowly rubbing it off after trimming it down. Sorry.
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Old 11-20-2014, 02:44 PM   #6
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I use Rapid Remover which is an industrial citrus based adhesive remover commonly used in the sign industry to remove adhesive after decal removal. Use mechanical means to remove the bulk, Then spray the residue with Rapid Remover, leave sit 60 seconds or so...if areas start to dry out spray more on. scrape of with a plastic scraper and reapply as necessary till you get through it. It doesn't affect clear coats
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Old 11-20-2014, 03:05 PM   #7
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Here is Rapid remover at work removing the old tape residue from where I taped off my refer vent due to rains coming before my Olympic rivets arrived. The tape had been removed but pretty much all the bright red adhesive stayed behind. So this makes for a good clear image of how well it works. I used Sitka flex all over my trailer and if the product was applied only a couple days back it will come off just as easy as this glue did without mechanical removal. Once its cured its a crap load harder.

The last shot it it working on decades old vulkem on my vent surround, it melts that stuff right off.

Call around to a couple sign shops near you to see if they carry it and see if you can buy a small amount to try. I have bought a gallon and have used about half so far to entirely degunk my whole trailer of mostly vulkem, silicon and tape residue.

Good luck
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Old 11-20-2014, 03:18 PM   #8
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You can find rapid remover on ebay.com & amazon.com google rapid remover ether 1 both have many listed. Bill
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Old 11-20-2014, 03:26 PM   #9
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This would also remove adhesive from old vinyl lettering like an obsolete WBCCI number?


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Old 11-20-2014, 04:27 PM   #10
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It will only remove the adhesive residue, the top plastic layer of vinyls or glue need to be mechanically removed so that the Rapid remover can get to the adhesive to do its job.
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Old 11-20-2014, 04:30 PM   #11
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Ah, ok then I need to peel the vinyl off carefully with a bit of heat to soften it, then use the chemical. I need to get some on order, then.

Thanks for the fast reply!


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Old 11-20-2014, 04:38 PM   #12
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You will find so many uses for it. I have had the sticky vinyl interior on my '69 and after several rounds of spraying it on and wiping it off I have finally cleared 40+ years of grease off my walls, removes tar spots, dead bug splatter, had runs from sealing my rivets with captain tolleys it clears those runs off to
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Old 11-20-2014, 06:03 PM   #13
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signlady: Where can I get this crap remover....just across the border from you.
Also, where'd you get the Capt. Tolleys?? Thanks
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Old 11-20-2014, 06:57 PM   #14
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My Airstream Crap Remover spray bottle was just something I designed up at work for the fun of it to label my spray bottle I transferred it to, because I can of course :-) In the bottle is the Rapid Remover that I buy from Express sign products here in Canada, Gallon jug is 70 bucks, a quart is $25. The Captain Tolleys I buy at West Marine in town $18.99. You can also get the Tolleys at Vintage Trailer supply. $11.99 + shipping.

You will wonder how you got by with out it, the Rapid Remover that is...I guess I should do a thread on tips and cleaning tricks from the sign lady soon ;-)
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