The metallic flakes in the particular color I choose are very fine.
The final finish is not achieved until the clear coat is sanded and
polished. When I watched the finishing process there did not seem to
be a half-hour limitation.
John
At 12:30 PM 1/27/2013 -0800, Bob Spidell wrote:
>If my antediluvian memory cells are functioning at all, I believe
>that's because modern metallics use a larger 'metal' flake, thus
>needing the clear to smooth and protect. Single-stage metallics of
>long ago used a more finely-ground flake and, possibly, could even
>be sanded and polished (not sure about that). Of course, the
>earlier metallics could not be made as garish as some of the modern
>stuff. Metallic paints were around a long time before 2-stage paint systems.
>
>I believe, but can't prove, that 2-stage paint systems became
>popular not just because of the glossy look, but they allowed the
>manufacturers to use much less base/color paint which is more
>expensive, due to the solids, than a clear. A new car's paint is
>primer, just enough base to cover the primer, and a thick coat of
>clear that can be sanded and polished if necessary.
>
>In a 2-stage job, the clear has to be applied within a half-hour or
>so after the base--if you've got orange peel or fisheye in the base
>too bad, unless you wait until it dries to sand it off and start over.
>
>Bob
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