@TOGWT: I follow some detailing fora and I noticed that often times more than one micron is removed from the clear coat to achieve correction.
I've never really polished out deep scratches that were white / catched your finger nail beyond the point of full correction. Most of these scratches were "invisible" unless you knew their exact location.
However I've seen Clark from Polished Bliss remove several microns of paint to achieve correction, which would also correct a scratch of 2 micron deep for instance?
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