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Scratch pattern off Norton 8k seems too rough
I've noticed that my Norton 8k leaves visible scratches along the edge and spine and was wondering if this is normal or unexpected behavior. I can see the scratches with the naked eye by just moving the edge around in the light. The edge is still a mirror finish in the sense it reflects light and is shiny, but the scratches stand out. I typically go from the 8k to a Naniwa 12k but find it takes many strokes on the 12k to even begin to polish away the scratches left from the 8k. I lap the 8k with a DMT D8C, so don't think something like contamination would be the problem here.
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