White Fused Alumina Micro Grits are produced by the grinding & classification of selected Macro grain feed stock in an advanced milling and classifying facility. This ensures an iron free product of narrow particle size distribution and high whiteness. The sizes are controlled and tested using x-ray sedimentation particle size analyzer and particle counter. svenska casino spel The White Fused Alumina Micro grits generally conform to the FEPA (Federation of European Producers of Abrasives) specifications. JIS and other customer specific sizes can be supplied