use powder clear-coat so you can see the cracks.
On Thu, 29 Oct 1998, Tim Nevins wrote:
>
> Richard Beels wrote:
> <<stuff snipped>>
> >My question is: how would the heating cycle affect the
> durability/temper of
> >aluminum. I figure wheels must be fine because I see powder coated
> wheels
> >all over the place but what about smaller, thinner pieces. Can you
> tell I
> >don't work much with aluminum? ;-)
>
> I read an article in a vintage racing magazine that had an interview
> with a
> Mr. Jongblod (sp?) who makes racing wheels. He was emphatic in his
> insistance that you should never powdercoat a wheel, expecially
> a racing wheel. As I recall, he said that powdercoating is pretty
> durable
> and won't telegraph cracks in the underlying material like paint will.
> In other
> words, when the wheel cracks (not if!) the powdercoating will not crack
> or show the change in the underlying material. It will also
> make it difficult to inspect the wheel. Paint on the other hand will
> crack when
> the material below cracks.
>
> That was the jist of it, makes sense to me!
>
> If you use wheels of unknown history, have them inspected!
>
> Tim
>
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