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Started by wisewood, February 20, 2018, 04:36:07 PM
Quote from: wisewood on February 20, 2018, 04:36:07 PMis there a difference between the classification of grit for sandpaper vs waterstones?
QuoteFEPA (Fédération Européenne des Fabricants de Produits Abrasifs) Federation of European Producers of Abrasives. The FEPA distinquishes between grain for sanding paper (FEPA P) and grain for sharpening stones or wheels (FEPA F) The decisive factor for comparison is FEPA F. FEPA P is only used for sanding paper.JIS (Japanese Industrial Standard) issued by the Japanese Standards Association.ANSI American National Standards Institute.
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