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PostPosted: Thu Jul 06, 2006 4:38 pm 
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Location: Mount Barker South Australia
Hello,
Many years ago I bought a set of "powdercoated" subframes from what was supposedly a reputable mini spares shop. It would have been four or five or more years ago, and have only just pulled the front one out of storage to start building them up for the long term project.

Now these powdercoated frames appear to have some masking tape masking off threads (correct me if I am wrong, but masking tape would be destroyed in the cooking part of powdercoating right?). Anyhow was willing to give them the benefit of the doubt, and today whilst spraying some paint in the shed a fine mist of overspay got on one of the corners, I quicly got some prepsol on a rag only to find it softened the surfact and the black "Powdercoat" started to smear off.

I am not happy, I traded in a good set of subframes for what wasnt the best set of frames, but it beat having to strip them down myself. Now I find these frames are just painted I assume?

Correct me if I am wrong, but if it does indeed turn out to be paint these may be being returned to the supplier one early morning via their window ;).

Cheers Chris

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PostPosted: Thu Jul 06, 2006 4:47 pm 
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Nah don't panic, you have to mask off the areas you don't want powdercoate as well as anything else and masking tape does as well as anything.

I think the temperature at 200 degrees isn't enough to burn anything yet, so the masking tape survives the oven nicely. It's not easy to get off though once the powdercoat seals it down at the edges....

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PostPosted: Thu Jul 06, 2006 6:57 pm 
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yea masking tape is good...i used to work in a factory that built big steel powdercoated box's...we got the coating done else where but most of the time they came back with tape on thread and other parts that need not be powdercoated


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PostPosted: Thu Jul 06, 2006 7:27 pm 
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Location: Mount Barker South Australia
But surely it shouldnt rub off with prepsol, fiddle sticks even two pac paint wont rub off with pure thinners? Whats the point in powder coating something if its going to essentially dissolve when it gets in contact with fuel?

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PostPosted: Thu Jul 06, 2006 9:05 pm 
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the powdercoating i was working with didnt...thats how we cleanded it up


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