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8 1/2" x 11" 0.3 micron microfinishing sheet.
Very fine 0.3 micron aluminum oxide sheet is the equivalent of a 12000 grit waterstone.
Pressure sensitive adhesive backing.
Sold in single sheets.
This 3M Imperial Microfinishing 0.3 micron sheet is designed for industrial applications and is not readily available for retail. These films use a high strength polyester film as a backing material. The abrasives are carefully graded and electrostatically oriented for greater cutting efficiency. Sheet is 8 1/2" x 11" with pressure sensitive adhesive backing.