Answer

Nov 26, 2024 - 01:35 AM
That depends on the grit rating of your preference. There are many standards of grit ratings. As an example, average 4 micron grit size would equate to either a JIS6001 grit rating of approximately 3000, or a Shapton grit rating of approximately 4000, or a FEPA-F grit rating of approximately 1000. Refer to the Grit chart in the link below for reference:
https://www.gritomatic.com/pages/grit...
https://www.gritomatic.com/pages/grit...
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