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Old 22-10-2006, 07:23 PM
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Rippers
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Default Powdercoating question

Can it handle high temps? ie if you had a metal turbo heatshield powder coated?
Old 22-10-2006, 07:26 PM
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Si B
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No

I know, been there with some special 'high temp' powder coat.

It turned into powder when it got hot, then settled on the rest of my engine buggering the rest of the finish!

Si
Old 22-10-2006, 07:27 PM
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Oh forget that then
Old 22-10-2006, 07:27 PM
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Incidentally, depending on the colour, they normally bake between 150-200 degrees C, so if the heat shield or other parts get hotter than this, the stuff will burn / flake off.

Si
Old 22-10-2006, 07:31 PM
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Was just reading on a powder coating website

High Temperature Powder For Headers & Exhaust Applications

These silicone based powders can withstand prolonged service temp. of up to 1000F. Ideal for applications such as grills, stoves, furnaces and engines.
Old 22-10-2006, 08:41 PM
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Originally Posted by Paul Ripley
Was just reading on a powder coating website

High Temperature Powder For Headers & Exhaust Applications

These silicone based powders can withstand prolonged service temp. of up to 1000F. Ideal for applications such as grills, stoves, furnaces and engines.
Sounds good- should be up to the job. Prob only a few specialists who can apply it - they'd need a fat oven to bake it in!

On my manifold I use B&Q barbeque paint - gash as it sounds it takes the heat nicely!!

Si
Old 22-10-2006, 08:43 PM
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si pics or
Old 22-10-2006, 08:50 PM
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Just get it stove enamelled
Old 22-10-2006, 09:08 PM
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Originally Posted by jaycos
si pics or
Ok, this one shows my minty new engine - the smoke you can see is the powder coating burning off! Should have seen it when I first started the car - couldn't even see the damm car in the garage for all the sooty shit that floated off it! This was some kind of fancy high temp stuff my powder coater bloke recommended!



This one shows the exhaust manifold with the powder coating bubbling off - it took a few weeks to vanish completely.



No pics of the BBQ paint yet, but it looks mint 3 track days and one rolling road session later. Costs £6.99 tin, looks better than the standard rusty manifold!

Si
Old 22-10-2006, 09:15 PM
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zinc primer takes the heat no probs
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