Flour Mill/Grind Stones Real Stone vs Ceramic Corundum ...
Oct 29, 2012· Flour Mill/Grind Stones Real Stone vs Ceramic Corundum / Carborundum ( Sandpaper)? is Abrasive in our food SAFE? In the sharpening world, we''re very familiar with abrasives. Some people use sandpaper taped to a piece of plate glass or a flat granite tile working from course (say 400) to fine (say P2000 wet).