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How to fix this? carbon fiber
So I'm pretty new to this forum and I'm trying to fix a carbon fiber hood for my friend. What would be the best way to attack this?
1.Would I just use a compound then polish it out and put some paint sealant or would I have to clear coat it instead of the paint sealant?
2. Wet Sand it, and put a clear coat or something?
Also what is the different between paint sealant and clear coat? Is it always necessary to put clear coat ?
Sorry for all this question pretty new here and been searching around the forum for answer but I couldn't find. Thank you guys, I really appreciated it.
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Re: How to fix this? carbon fiber
Looks alot like clearcoat failure, if thats the case no compound or polish is gonna help. It will have to be re-sprayed
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Super Member
Could that be delamination
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Re: How to fix this? carbon fiber
What would you guys do? and what is the different between paint sealant and clear coat?
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Super Member
Re: How to fix this? carbon fiber
Originally Posted by randy00013
What would you guys do? and what is the different between paint sealant and clear coat?
It needs to be sanded, prepped, and clearcoated again for certain. This is the only correct solution.
The difference between the two is that clearcoat is actually a part of the paint system, applied over the basecoat (color, or in this case CF), and is permanent. Paint sealant is something that is applied to the clearcoat to protect it from weather/contamination, and is by no means permanent. Think of sealant as just an extremely durable wax, if that helps.
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Re: How to fix this? carbon fiber
So using a rubbing compound that remove heavy oxidation and polishing it out isn't the best way, but sanding and clear coat it again is the correct way to attack this problem?
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Super Member
Re: How to fix this? carbon fiber
Originally Posted by randy00013
So using a rubbing compound that remove heavy oxidation and polishing it out isn't the best way, but sanding and clear coat it again is the correct way to attack this problem?
Yes, that is correct. If you were to use compound/buffer, you would most likely just be ripping what very little is left of the clearcoat right off, especially if you're using a rotary or a wool pad. The prep work/clearcoat used by most mfgrs on carbon fiber panels simply isn't up to snuff, because they're doing the process as cheaply as possible (CF is not a cheap thing to begin with). Any capable body shop will be able to do the prep work correctly, and the clearcoat will be much higher quality as well.
I remember the Lancer Evolution VIIIs having this very problem with the stock spoilers when the first couple model years hit the US. I worked in a body shop at that time, and we must have repaired 10-20 of them, no exaggeration lol.
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Re: How to fix this? carbon fiber
Alright sounds good, thanks SRconcepts!
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Super Member
If this is Clear Coat failure. The only way of fixing it (say on regular car paint) would be to repaint it.
If you color sand you'll just be sanding away what little is left.
If it were a customer I would just say sorry all you can do is repaint it. If it were my friend I would say "I'm not going to touch it but you can try putting some glaze over to see what happens"
Meguiars no. 7 show car glaze was pretty impressive the other day when I worked on my Brothers car. Only did this area to test out my new product.
A glaze like Meguiar's No. 7 will be the best you can do. (Apply by hand)
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Super Member
Originally Posted by SRConcepts
Yes, that is correct. If you were to use compound/buffer, you would most likely just be ripping what very little is left of the clearcoat right off, especially if you're using a rotary or a wool pad. The prep work/clearcoat used by most mfgrs on carbon fiber panels simply isn't up to snuff, because they're doing the process as cheaply as possible (CF is not a cheap thing to begin with). Any capable body shop will be able to do the prep work correctly, and the clearcoat will be much higher quality as well.
I remember the Lancer Evolution VIIIs having this very problem with the stock spoilers when the first couple model years hit the US. I worked in a body shop at that time, and we must have repaired 10-20 of them, no exaggeration lol.
What is CF?
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