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Orange peel on Dupont Imron - fixable? #1403293
03/16/13 06:40 PM
03/16/13 06:40 PM
Joined: Dec 2005
Posts: 2,886
Bowling Green KY / Nashville, ...
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I just had one of my Sprinter work vans repainted. I've had a lot of good experiences with fleet vehicles painted with Dupont Imron in the past, so I had the body shop use it instead of base/clear.

THIS TIME, however, the van is covered with BAD orange peel. It has cured for a few weeks, and it is as hard as a rock. I just tried a slow-speed orbital buffer with some Meguiars quick-cut compound on it, but it didn't even touch it.


Re: Orange peel on Dupont Imron - fixable? [Re: 300by500] #1403294
03/16/13 06:46 PM
03/16/13 06:46 PM
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Posts: 21,825
Kirkland, Washington
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Quote:

I just had one of my Sprinter work vans repainted. I've had a lot of good experiences with fleet vehicles painted with Dupont Imron in the past, so I had the body shop use it instead of base/clear.

THIS TIME, however, the van is covered with BAD orange peel. It has cured for a few weeks, and it is as hard as a rock. I just tried a slow-speed orbital buffer with some Meguiars quick-cut compound on it, but it didn't even touch it.






You're not going to be able to compound out bad orange peel. You will have to cut it down with sandpaper (block it). Then compound to restore gloss, that will be when the hard Imron will prove to be a challenge.

Re: Orange peel on Dupont Imron - fixable? [Re: 300by500] #1403295
03/16/13 06:49 PM
03/16/13 06:49 PM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline
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Granite Bay CA
I didn't know that Imron was still being made!
You'll never take orange peel off by buffing. Have you ever heard of the terms "Cut and buff"? The CUT refers to sanding the paint/clear. The buff obviously means the buffer.
All is not lost. The surface needs to be sanded to where the high spots of the orange peel are sanded away and the surface is even. At that point, You buff with a rubbing compound followed by a polishing pad and compound. There are videos on YouTube. Good luck.

Re: Orange peel on Dupont Imron - fixable? [Re: Kern Dog] #1403296
03/16/13 07:37 PM
03/16/13 07:37 PM
Joined: Jan 2003
Posts: 10,720
North Dakota
6PakBee Offline
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North Dakota
How did somebody get orange peel with Imron? That is one of the most forgiving paints I've ever used.


"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
Re: Orange peel on Dupont Imron - fixable? [Re: 6PakBee] #1403297
03/16/13 07:40 PM
03/16/13 07:40 PM
Joined: Dec 2005
Posts: 2,886
Bowling Green KY / Nashville, ...
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Quote:

How did somebody get orange peel with Imron? That is one of the most forgiving paints I've ever used.




I think it was sprayed way too dry. It was a pretty crappy job overall, lots of overspray on plastic parts, even under the hood. Live and learn....

Re: Orange peel on Dupont Imron - fixable? [Re: 6PakBee] #1403298
03/16/13 08:01 PM
03/16/13 08:01 PM
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT Offline
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Quote:

How did somebody get orange peel with Imron? That is one of the most forgiving paints I've ever used.




By following EPA mandated guidelines which reduces VOC's by reducing the use of solvents... You know, the stuff that is supposed to allow the paint to flow.... I don't know what the percentages are for Imron as I haven't sprayed it in 25 years but for Centari they changed the mixing ratio from the original 1-1 to the EPA approved 1-8... Gee imagine that, it doesn't lay down at all.. Ignore the new numbers spray it like we did in the 70's & it flows....


FWIW yes you can cut & buff but it's gonna be a ton of work & your likely to cut through...


"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Orange peel on Dupont Imron - fixable? [Re: 1_WILD_RT] #1403299
03/16/13 08:21 PM
03/16/13 08:21 PM
Joined: Sep 2003
Posts: 1,236
Fairview Tennessee
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SV_MOPARS Offline
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Fairview Tennessee
wow, you can still get centari? lucky you.

Re: Orange peel on Dupont Imron - fixable? [Re: SV_MOPARS] #1403300
03/16/13 10:20 PM
03/16/13 10:20 PM
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT Offline
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Not legally....


"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Orange peel on Dupont Imron - fixable? [Re: 1_WILD_RT] #1403301
03/17/13 01:30 AM
03/17/13 01:30 AM
Joined: Feb 2007
Posts: 1,608
fresno ca
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mikeysmopars Offline
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fresno ca
You can cut it with 1200 wet paper and ither reclear it or start the cut n pollish process. I spray Imron every day and if you dont have the right gun setup or air pressure you'r gonna struggle. If you go thr reclear rout have your painter do a littl homework on gun setup. If your going to cut n pollish, you have about two weeks window before it gets hard to cut. Ither way will cost the same.


Founder and CEO of the Central Valley Mopar Drag Pack
Re: Orange peel on Dupont Imron - fixable? [Re: 1_WILD_RT] #1403302
03/17/13 02:27 AM
03/17/13 02:27 AM
Joined: May 2008
Posts: 5,399
Aurora, Colorado
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Aurora, Colorado
Quote:

Quote:

How did somebody get orange peel with Imron? That is one of the most forgiving paints I've ever used.




By following EPA mandated guidelines which reduces VOC's by reducing the use of solvents... You know, the stuff that is supposed to allow the paint to flow.... I don't know what the percentages are for Imron as I haven't sprayed it in 25 years but for Centari they changed the mixing ratio from the original 1-1 to the EPA approved 1-8... Gee imagine that, it doesn't lay down at all.. Ignore the new numbers spray it like we did in the 70's & it flows....


FWIW yes you can cut & buff but it's gonna be a ton of work & your likely to cut through...




Interesting to know. When I read this my first though was the same as the original quote, but I have not used Imron since the 1980's.

Re: Orange peel on Dupont Imron - fixable? [Re: 1_WILD_RT] #1403303
03/17/13 10:15 AM
03/17/13 10:15 AM
Joined: Jan 2003
Posts: 9,436
Blair County,PA
62maxwgn Offline
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Quote:

Not legally....




That's because you're in the wrong state on the left coast but you knew that!!

Re: Orange peel on Dupont Imron - fixable? [Re: 62maxwgn] #1403304
03/17/13 01:36 PM
03/17/13 01:36 PM
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Quote:

Quote:

Not legally....




That's because you're in the wrong state on the left coast but you knew that!!




Yes I do... Still love the weather & the views.... Not to fond of the politics or taxes...


"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Orange peel on Dupont Imron - fixable? [Re: 62maxwgn] #1403305
03/17/13 05:47 PM
03/17/13 05:47 PM
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Posts: 602
N.E.Ohio
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pacifica Offline
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N.E.Ohio
Quote:

Quote:

Not legally....




That's because you're in the wrong state on the left coast but you knew that!!





Could someone post info or pm me on where to buy centari. It is not

available to me where I live. I see it listed on the Dupont website

under "commercial finishes"?

Re: Orange peel on Dupont Imron - fixable? [Re: pacifica] #1403306
03/17/13 07:33 PM
03/17/13 07:33 PM
Joined: Dec 2003
Posts: 22,696
Bitopia
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jcc Offline
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Anything now more durable then Imron?


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: Orange peel on Dupont Imron - fixable? [Re: jcc] #1403307
03/19/13 10:42 AM
03/19/13 10:42 AM
Joined: Jan 2003
Posts: 7,978
Bethel Ct
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AdamR Offline
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Bethel Ct
You can buff out orange peel with the right compound and pad combination but you will never do it with a low speed random orbital and its much faster if you wet sand it first. You need a high speed buffer either D/A or Rotary. D/A is way more user friendly if you dont have experience with a rotary.

I would wet sand it with 1200, then 1500, then 2000 but you could get away with just doing 1200 and 1500.

Re: Orange peel on Dupont Imron - fixable? [Re: AdamR] #1403308
03/20/13 08:16 AM
03/20/13 08:16 AM
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Posts: 738
Columbus Ohio
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mopfried Offline
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Columbus Ohio
I thought that Imron would look cloudy if wet sanded and buffed?

Re: Orange peel on Dupont Imron - fixable? [Re: mopfried] #1403309
03/20/13 08:43 AM
03/20/13 08:43 AM
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1 Offline
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Quote:

I thought that Imron would look cloudy if wet sanded and buffed?




My 74 challenger was freshly painted with imron paint in 1984. My friend had it painted just before selling it to me and I remember all the hoopla about it being painted in imron.

It was sanded and buffed and you can see some scratches in the clear and there is a little cloudyness here and there. So I'm thinking it's hard to sand and buff?

I have never tried to buff it and it is very hard paint and has held up well during the 30 years it's been painted.



July 2012, more bonneville salt.

Re: Orange peel on Dupont Imron - fixable? [Re: 300by500] #1403310
03/21/13 03:01 PM
03/21/13 03:01 PM
Joined: Mar 2007
Posts: 109
OHIO
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BUBBAZ572 Offline
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OHIO
WHAT IMRON DID YOU USE?
THERE ARE SEVERAL DIFFERENT ONES.
SOUNDS LIKE INDUSTRIAL IMRON
YOU CAN USE 611P CLEAR TO SMOOTH IT OUT

Re: Orange peel on Dupont Imron - fixable? [Re: 300by500] #1403311
03/22/13 01:04 PM
03/22/13 01:04 PM
Joined: Dec 2007
Posts: 1,572
Jacksonville Florida
elitecustombody Offline
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Good luck buffing that one. I'd suggest checking out compounds made for ceramic clearcoat, it will save you a lot of time

Re: Orange peel on Dupont Imron - fixable? [Re: Challenger 1] #1403312
03/23/13 01:24 AM
03/23/13 01:24 AM
Joined: Jan 2005
Posts: 3,699
Newport, Mi
Evil Spirit Offline
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Newport, Mi
Quote:

Quote:

I thought that Imron would look cloudy if wet sanded and buffed?




My 74 challenger was freshly painted with imron paint in 1984. My friend had it painted just before selling it to me and I remember all the hoopla about it being painted in imron.

It was sanded and buffed and you can see some scratches in the clear and there is a little cloudyness here and there. So I'm thinking it's hard to sand and buff?

I have never tried to buff it and it is very hard paint and has held up well during the 30 years it's been painted.



July 2012, more bonneville salt.





Imron (like most polyurethanes) surface harden, with the lower layer staying softer to help avoid checking. While the hard top shell sands/polishes well, once you sand through that, you hit the softer lower layer which doesn't polish well and clouds up. I wouldn't expect to be able to sand out deep orange peel without hitting the softer lower layer, resulting in less gloss and a cloudy look.


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