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14 members (gregnbc, JD53, BrandonClark, odocoileus, Thread Killer, fish251, mcninja, Bglen, Jweeks, BamaGuitarDude, RCHRR, CAL, 2 invisible),
624
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Key:
Admin,
Global Mod,
Mod
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Joined: Feb 2007
Posts: 5,569 Likes: 7
12 point
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12 point
Joined: Feb 2007
Posts: 5,569 Likes: 7 |
So......at work this afternoon and a boss comes up to me pissed off beyond belief. He said that there were purple spots all over his wife's brand new Audi SUV that he drove to work today. Coincidentally.....my guys did some plumbing repairs earlier today under the building but close enough to this Audi that the wind blew purple prime spots all over this bright white SUV. I tried a few things to clean it off with zero luck. I know this primer is designed to soften PVC for the glue process, so I'd imagine that it is deep inside the paint. When I wiped it, it took a little off but was still purple and real smooth, meaning it didn't feel like it was on the surface of the paint, but down inside the paint.
He's taking it to a detailer - should have more info for me tomorrow.
Thoughts on getting this off? Its all over the hood, front quarter panel, front and rear drivers side doors, and I think a few spots on the roof.
I have a bad feeling that buffing won't work and a new paint job is in order.
Did I mention that this Audi is BRAND NEW??
Thoughts from the experts?
We're not going to put a bunch of different chemicals on the paint to try and get it off as I'm sure that'll do even more damage.
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Joined: Nov 2014
Posts: 14,858 Likes: 33
Puts sugar in his cornbread!
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Puts sugar in his cornbread!
Joined: Nov 2014
Posts: 14,858 Likes: 33 |
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Joined: Dec 2013
Posts: 28,317 Likes: 564
a.k.a. Dingle Johnson
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a.k.a. Dingle Johnson
Joined: Dec 2013
Posts: 28,317 Likes: 564 |
Good luck on your new job. 
"When I say ever thing I mean ever thing." - Frankie
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Joined: Jan 2016
Posts: 3,801
10 point
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10 point
Joined: Jan 2016
Posts: 3,801 |
Did you try clear cleaner? Its the only thing ive found that would get it off countertops, floors... Well, anything
Roads? Where we're going, we dont need roads. ~Doc brown
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Joined: Jun 2015
Posts: 15,383 Likes: 77
Old Mossy Horns
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Old Mossy Horns
Joined: Jun 2015
Posts: 15,383 Likes: 77 |
40grit will take care of it lickity split 
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Joined: Dec 2014
Posts: 2,237 Likes: 4
8 point
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8 point
Joined: Dec 2014
Posts: 2,237 Likes: 4 |
Tetrahydrofuran is a very strong solvent, it has likely desolved the clear coat depositing the primer pigment (purple) into the paint base layer. I doubt you will be able to remove the purple stain.
Life is difficult
Science prevails over bulldoodoo and superstition every time
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Joined: Dec 2013
Posts: 28,317 Likes: 564
a.k.a. Dingle Johnson
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a.k.a. Dingle Johnson
Joined: Dec 2013
Posts: 28,317 Likes: 564 |
Did you try clear cleaner? Its the only thing ive found that would get it off countertops, floors... Well, anything
I was going to post..."Oatey Clear Cleaner." It's probably his best option this side of wet sanding with 2000 grit, then buffing out or just having the car repainted. That purple primer is something else. It is designed to soften PVC which is plastic. And car paint is basically a form of plastic too. So... It doesn't look good from where I'm sitting.
"When I say ever thing I mean ever thing." - Frankie
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Joined: Nov 2008
Posts: 10,750 Likes: 4
Booner
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Booner
Joined: Nov 2008
Posts: 10,750 Likes: 4 |
Figure out a way to make it worse while it’s at the detailing shop.
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Joined: Dec 2013
Posts: 28,317 Likes: 564
a.k.a. Dingle Johnson
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a.k.a. Dingle Johnson
Joined: Dec 2013
Posts: 28,317 Likes: 564 |
Tetrahydrofuran is a very strong solvent, it has likely desolved the clear coat depositing the primer pigment (purple) into the paint base layer. I doubt you will be able to remove the purple stain. Yep...
"When I say ever thing I mean ever thing." - Frankie
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Joined: May 2015
Posts: 6,363
12 point
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12 point
Joined: May 2015
Posts: 6,363 |
My truck tailgate has a purple stain that ain't faded a bit in 10 years.
Good luck.
Public Land Owner
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Joined: Feb 2007
Posts: 5,569 Likes: 7
12 point
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12 point
Joined: Feb 2007
Posts: 5,569 Likes: 7 |
Tetrahydrofuran is a very strong solvent, it has likely desolved the clear coat depositing the primer pigment (purple) into the paint base layer. I doubt you will be able to remove the purple stain. My thoughts exactly. Luckily the ole bossman ain't pissed at me, just the dumbass that did it. It's gonna hurt the company to have to pay for a new paint job on a brand new car though!
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Joined: Jan 2016
Posts: 3,801
10 point
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10 point
Joined: Jan 2016
Posts: 3,801 |
Did you try clear cleaner? Its the only thing ive found that would get it off countertops, floors... Well, anything
I was going to post..."Oatey Clear Cleaner." It's probably his best option this side of wet sanding with 2000 grit, then buffing out or just having the car repainted. That purple primer is something else. It is designed to soften PVC which is plastic. And car paint is basically a form of plastic too. So... It doesn't look good from where I'm sitting. You name it and ive had to get purple primer off of it... Except maybe a new Audi. Clear cleaner works though
Roads? Where we're going, we dont need roads. ~Doc brown
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Joined: Dec 2004
Posts: 20,179 Likes: 81
Freak of Nature
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Freak of Nature
Joined: Dec 2004
Posts: 20,179 Likes: 81 |
Clay bar. Close the thread. My white Toyota 4Runner got yellow paint ALL OVER IT, at the airport parking garage. $22.00 for a kit and about an hour of work and it was clean.
If voting made any difference, they wouldn’t let us do it.-Mark Twain
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Joined: Dec 2009
Posts: 9,375
14 point
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14 point
Joined: Dec 2009
Posts: 9,375 |
I’m still trying to figure out how the wind blew that purple primer. That just seems odd to me
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Joined: Nov 2014
Posts: 14,858 Likes: 33
Puts sugar in his cornbread!
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Puts sugar in his cornbread!
Joined: Nov 2014
Posts: 14,858 Likes: 33 |
I’m still trying to figure out how the wind blew that purple primer. That just seems odd to me It happens.
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Joined: Nov 2011
Posts: 22,603 Likes: 22
Freak of Nature
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Freak of Nature
Joined: Nov 2011
Posts: 22,603 Likes: 22 |
Believe it or not paint thinner is safe on a car. My car was spray painted by a vandal and paint thinner took it right off. Didn’t damage the car paint. I was amazed.
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Joined: Nov 2003
Posts: 6,713
14 point
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14 point
Joined: Nov 2003
Posts: 6,713 |
This wrong I know, but couldn't resist ![[Linked Image]](https://media.giphy.com/media/PjI09c0KO4odW/200.gif)
Last edited by mark; 10/22/19 08:51 PM.
Sig Sauer, to hell and back reliable.
Whatever suits you just tickles me plum to death.
Can I refill your eggnog for you? Get you something to eat? Drive you out to the middle of nowhere and leave you for dead?
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Joined: Nov 2014
Posts: 14,858 Likes: 33
Puts sugar in his cornbread!
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Puts sugar in his cornbread!
Joined: Nov 2014
Posts: 14,858 Likes: 33 |
This wrong I know, but couldn't resists It happens.
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Joined: Feb 2007
Posts: 5,569 Likes: 7
12 point
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12 point
Joined: Feb 2007
Posts: 5,569 Likes: 7 |
Clay bar. Close the thread. My white Toyota 4Runner got yellow paint ALL OVER IT, at the airport parking garage. $22.00 for a kit and about an hour of work and it was clean. A clay bar will not work in this situation. Clay bars are for surface contaminates and scratches. This is like it absorbed in to the paint. The clay bar would slide right over it and not remove it. I'm thinking a full paint job will be needed.
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Joined: Jan 2004
Posts: 31,681
Freak of Nature
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Freak of Nature
Joined: Jan 2004
Posts: 31,681 |
regular paint thinner isn't hot enough to damage the paint. Lacquer thinner will tho. That purple primer is hotter than both and I'd bet you are gonna need to paint that car. Or the panels that are stained.
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