Thread: Paint Depth
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      04-12-2012, 08:48 AM   #3
AutoCon
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Depending on the compound/pad/machine you are using it can be a concern over the long term, as a correction detailer this is something I pay VERY close attention to. Getting a PDG is peace of mind and if you are learning and become pretty serious about maintaining your finish it is a must have tool to have.

M3's typically have 118- 128 microns total when new in my experience, however I have worked on a few with sub 100 microns in certain areas on brand new non machine buffed vehicles.

Really low readings 90 microns or below is "Stop and proceed with caution", or especially high readings 300 microns or higher usually mean re-paint and are readings that cannot be trusted to have a healty thickness, abrading paint can be rewarding but caution and attention to what you are doing is important.