FEPA is the Federation of European Producers of Abrasives. Its mission is to develop and publish standards, documents and comprehensive safety instructions for the abrasive industry.
Abrasive grain sizes are produced and sold according to the FEPA standard, among other things. This is to ensure that a consistent quality for any abrasive can be achieved across different manufacturers.
For more information go to https://www.fepa-abrasives.com/