Abrasive Grain Size Specifications

Grit Size Coarsest Grains Coarser Grains Basic Grains Mixed Grains Fine Grains
F12 0% ＜20% ＞45% ＞70% ＜3%
F14 0% ＜20% ＞45% ＞70% ＜3%
F16 0% ＜20% ＞45% ＞70% ＜3%
F20 0% ＜20% ＞45% ＞70% ＜3%
F22 0% ＜20% ＞45% ＞70% ＜3%
F24 0% ＜25% ＞45% ＞65% ＜3%
F30 0% ＜25% ＞45% ＞65% ＜3%
F36 0% ＜25% ＞45% ＞65% ＜3%
F40 0% ＜30% ＞40% ＞65% ＜3%
F46 0% ＜30% ＞40% ＞65% ＜3%
F54 0% ＜30% ＞40% ＞65% ＜3%
F60 0% ＜30% ＞40% ＞65% ＜3%
F70 0% ＜25% ＞40% ＞65% ＜3%
F80 0% ＜25% ＞40% ＞65% ＜3%
F90 0% ＜20% ＞40% ＞65% ＜3%
F100 0% ＜20% ＞40% ＞65% ＜3%
F120 0% ＜20% ＞40% ＞65% ＜3%
F150 0% ＜15% ＞40% ＞65% ＜3%
F180 0% ＜15% ＞40% ＞65% ＜3%
F220 0% ＜15% ＞40% ＞60% ＜3%
Note: All specifications conform to FEPA (Federation of European Producers of Abrasives) standards. Particle size ranges may vary slightly depending on specific product requirements and manufacturing processes.