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Old 10-27-2008, 09:04 PM
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Powdercoat Q...

Hi All,

Can polished aluminum be clear-powdercoated? Will the polished surface have enough "tooth" to hold on to? How about a mix of polished alum and a good quality single stage urethane paint? IIRC, 400 is what's needed to melt the powder and the paint should be OK there, at least for the short duration needed to cure. Opinions?

Thanks!

Russ
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Old 10-27-2008, 09:26 PM
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You might check out Eastwoods clears. I work with a guy that coats all of his aluminum wheels with the stuff and he swears by it.

Dave G
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Old 10-28-2008, 06:41 AM
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Here's an aluminum intake I polished and clear powdercoated a couple of years ago. I took a "before and after" to show that the clear does dull the finish just a bit...so be prepared for that.

Also, after a couple of years use I do have some minor checking in the finish. I did the powder coating with my Eastwood hobby kit so I'm assuming the checking is a result of my application or baking procedure. Other than that I'm satisfied with the way it turned out.

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Old 10-28-2008, 06:55 AM
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Cboy, how do you like the Eastwood stuff compared to other vendors? I was thinking about powdercoating my flex conduit for my headlights black. Wondering about chipping of the stainless steel stuff.

Dave G
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Old 10-28-2008, 08:14 AM
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Quote:
Originally Posted by Stovebolter
...Cboy, how do you like the Eastwood stuff compared to other vendors? I was thinking about powdercoating my flex conduit...
My powder coating experience is limited to using only Eastwood products, their gun and their powder. So I can't compare vendors or other manufacturers. There are some REAL powder coating pros here on the board...so hopefully one or more of them will chime in.

Regarding the flex conduit, also no direct experience. One thing to keep in mind, however, is that powder coating is thicker than paint. So there might even be a question of limited flexibility once the coating was applied, in addition to the potential chipping and scratching. Also, I'd be a little concerned that since you are considering black, that once you started to flex the thing after coating that you might see little slivers of the bright stainless down in the flex joints that don't get coated.

You might end up just having to experiment on this one to see what happens. Maybe you could find some cheaper flex tubing than stainless to try it out on. Post up any results if you try it.
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Old 10-29-2008, 04:38 AM
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I was mainly concerned to see if the powdercoat would stick to a polished surface, looks like it will!

Russ
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