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Question: C4 Bumpers, Crossfire and FC720 Clear.

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Old 07-20-2017, 02:24 PM
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confab
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Question: C4 Bumpers, Crossfire and FC720 Clear.

I've been using this to re-do the Vette and it looks great. Coming to the bumpers now and I am told by Martin Senour there is no flex agent for the paint or the clear.

1) What would you do?

2) What about additives like "Bulldog"

???
Old 07-20-2017, 03:57 PM
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Dave Tracy
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I found this:

PRODUCT DESCRIPTION
Martin-Senour Urethane Flexible Additive 3084 offers you the advantage of one flexible additive for acrylic lacquer,
acrylic enamel, polyurethane enamel, acrylic urethane enamel, and primer-surfacers. It adds flexibility to each of
these systems.

I believe you had bad advice
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Old 07-20-2017, 04:16 PM
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confab
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Originally Posted by Dave Tracy
I found this:

PRODUCT DESCRIPTION
Martin-Senour Urethane Flexible Additive 3084 offers you the advantage of one flexible additive for acrylic lacquer,
acrylic enamel, polyurethane enamel, acrylic urethane enamel, and primer-surfacers. It adds flexibility to each of
these systems.

I believe you had bad advice
Thanks for that, Dave.

I got that advice directly from their tech line in an email!!

Wonder who they're sourcing this out to?
Old 07-20-2017, 04:42 PM
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confab
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I didn't see crossfire listed there, so I called them up instead of emailing.. And they informed me that there is nothing that works with crossfire, because it's not supposed to flex and they don't recommend painting anything flexible with it, ever.
Old 07-20-2017, 05:12 PM
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DUB
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Originally Posted by confab
I didn't see crossfire listed there, so I called them up instead of emailing.. And they informed me that there is nothing that works with crossfire, because it's not supposed to flex and they don't recommend painting anything flexible with it, ever.
There is the answer to the million dollar question. Seems that you are now in serious predicament.

'Bulldog' as you may know is an adhesion promoter and not a 'flex' additive.

Depending on the color of your car ...changing paint systems and getting the color to match can now be quite fun. You really have no other choice ...except to take teh chance and paint the urethane bumpers in the 'crossfire' an see if they fail....

DUB

Last edited by DUB; 07-20-2017 at 05:14 PM.
Old 07-20-2017, 05:16 PM
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confab
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Originally Posted by DUB
There is the answer to the million dollar question. Seems that you are now in serious predicament.

'Bulldog' as you may know is an adhesion promoter and not a 'flex' additive.

Depending on the color of your car ...changing paint systems and getting the color to match can now be quite fun.

DUB
Yeah. I got the paint and clear in a labor trade with a friend at the parts house. It's a couple gallons worth. Probably 7 or 8 hundred bucks worth, when you add in all the other stuff I got in the deal.

I know they're advertising bulldog as a "flex agent" but, as you say.. I thought it was an adhesion promoter?


Here's an example:


I dunno what to do right now? I would like to use what I have, but I don't want to end up with a mess..

Suggestions would be most helpful.
Old 07-20-2017, 10:39 PM
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I have my own flex additive from my paint system....so if I incorrectly responded to thinking that 'Bulldog' did not have a flex additive...I can be wrong due to all i know about is the aerosol adhesion promoter they sell.

As far as I can see it your destiny is set. You have to use another paint that can be flexed if you do not want the Crossfire to fail. Simple as that.

DUB
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