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JIS Grit Conversions

JIS Grit Conversions

JIS Grit Conversions

(OP)
Can anyone please let me know what the JIS (Japanese Standard) Grit (polishing) values convert to in US Grit values or roughness averaage or anything else. This is a polishing question, as grit is a term used in abrasives. The higher the grit the finer the abrasives the lower the Ra (roughness) of the metal after polishing. this is for the food and beverage industry.
any direction would be helpful
Thank you

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