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What is the grain size in Micron of the 1500, 2200 and 3000 Diamond Stones?

Recent › Forums › Main Forum › Techniques and Sharpening Strategies › Abrasives › What is the grain size in Micron of the 1500, 2200 and 3000 Diamond Stones?

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  • 02/04/2020 at 4:33 am #53414
    Haffner
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    • Topics: 4
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    The knivesandtools.com website rates them as similar to a Japanese 3000, 6000 and 8000 grain size.
    But what will they be in terms of microns?
    Based on Grand Unified Grit Chart, my guess is 4.5, 2 and 1.2 Micron, but I’m no expert…

    02/04/2020 at 10:23 am #53415
    Organic
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    • Topics: 17
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    9.7 micron, 7.1 micron, and 5.0 micron respectively.

     

    See page 2 of this thread: 2200 / 3000 stones.

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    Haffner, Dwight Glass, NotSharpEnuff
    02/04/2020 at 10:51 am #53416
    Mr.Wizard
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    I used these new optical image values in revision 9 of my grit chart.  The original 1500 was apparently at least as fine as the 3000 stone, which agrees with the 5 micron value I had for it before.  See the thread Organic linked above.

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    Haffner, NotSharpEnuff
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