Clear High Temp Resin?

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#1

Hi, I’m new to the forum and I have searched the internet high and low and have not found the answer I’m looking for.

I am creating a carbon fiber exhaust tip for an automotive application using wet lay up and I noticed a company makes something similar but claim they use a resin that can withstand 400F. Any clue as to what they are using?

I was thinking of using an epoxy resin with a clear finish hardener, but I’m not totally sure if that can withstand the heat.

Does anyone have any suggestions? Thanks in advance.

Here is the tip I mentioned that is already in production by another company.

#2

Nice tips!:smiley:

Would an exhaust tip reach 400f?? I think West Coast make an additive.

#3

its very difficult to notice a difference between a amber color resin to clear in a finsih product. unless of course your part is resin rich, then you have another problem.

#4

Yah I don’t think it needs to be 400F. I do know that on rear engine cars the tips get very hot and even tend to melt the factory carbon diffuser resin.

I haven’t had any luck finding any type of resin that these guys claim to use. I am really starting to wonder if the claims they are making are true or not.

#5

F40 ends are VE.
there is epoxy available with a tg of 250+ celcius
or try peek resin

sorry for short, tried to amputate finger, almost succeeded…

#6

Thanks for the info, I wasn’t aware that the F40 was VE. I tried calling Peek Resin and they informed me they weren’t clear. I think I’ll try the VE and see how it holds up.

#7

PEEK tends to be an opaque grey…might not work well. PES might work.
wait…Peek resin is a company?

#8

Oops, I meant I called a company that distributes Peek. :slight_smile:

#9

haahaa. Was going to say…Awkward! Yeah, Peek would be the best, albeit overkill. Nylon 12 might work, but again, not clear.
Problem with many resins, mostly thermoplastics, even if the melt is higher than 400, the part can still soften at 400. Over time, the part will just look bad.