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Old 06-25-2009, 07:28 AM
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Default What is the max temperature for powder coating??

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What is the max Temperature for powder coating, with out damaging it?

I know it is a per brand question but roughly. My Geuss would be 350 dgC about 650 dgF?

I'm thinking about powder coating my exhaust, until I can afford a new SS one, would that be possible without burning it off with the first ride?
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Old 06-25-2009, 08:17 AM
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Cure temp for normal powder is around 400*F but Eastwood (probably others) sell a high temp powder:
Quote:
Originally Posted by Eastwood
High temperature powder for header and exhaust manifold applications! We're pleased to present this range of 4 High Temperature Exhaust System coatings similar in color to our popular liquid high temp coatings. These high silicone content powders withstand temperatures up to 1000F and offer superior durability when compared to brush and spray-on coatings.
I used it on my exhaust manifolds and it's held up nicely. I haven't had the car on a long trip but since getting it all back together, I've had it running and up to operating temperature numerous times and the powder coat looks the same as when I originally coated it...

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Old 06-25-2009, 10:05 AM
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I have talked to Eastwood, but that stuff doesn't have a EC approval, so they will not ship. I have contacted others but minimal quantity is 20 kilo.

Now I have some kilo's of black on black industrial stuff. I don't want to do the headers just the pipes.

I will give it a shot and keep an fire extinguisher next to me on the first run ;-)
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Old 06-25-2009, 12:47 PM
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Get someone here to forward the high temp stuff on to you
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Old 06-25-2009, 01:48 PM
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Yes I have done that a couple of times.
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Old 06-25-2009, 07:11 PM
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The Eastwood high temp stuff I used was @450*F, it also stated that you couldn't over cure the powder.
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Old 06-25-2009, 10:36 PM
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Quote:
Originally Posted by js292 View Post
The Eastwood high temp stuff I used was @450*F, it also stated that you couldn't over cure the powder.
Yeah, that sounds about right - 450*F to cook it but it'll withstand 1000*F once it's done.

Cas, I wouldn't like to chance normal powder in a high heat application. I reckon at the least you'll have smoke and a bad smell, a worst maybe a fire. I'm not much help to you cos I'm in Saudi but I'm sure someone would forward the high temp stuff on to you...
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Old 06-26-2009, 02:45 AM
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Yup........
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Old 06-29-2009, 07:19 AM
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No problem, I have a good friend living in NC. Actually in October I'm there for his wedding.

Anyone have a estimate how much is needed for a 72 exhaust system?
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Old 06-29-2009, 01:48 PM
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I bought the 2lb jar for the exhaust on my 85 and still have some left.
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