Re: Another Abrasive Post


Jeff Young
 

Also thanks to everyone's contributions I realized the sand paper I thought was US 800 was German P800 and in fact more like ANSI 400 or 500. Now I will review all of my sand paper.
The ANSI and FEPA grades track well enough at lower grits that I never realised they diverged so much higher up. I also need to re-sort my paper….

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