![Loading...](https://www.agarscientific.com/static/version1720620014/frontend/Pixiemedia/Agar/en_GB/images/loader-1.gif)
Four types of polishing alumina are available, graded according to their principal particle size; medium (1µm), fine (0.3µm) and extra fine (0.5µm). Alumina suspensions are suitable for use after diamond grinding or as a final polish (0.05µm).
All are supplied as a thick suspension in a 180ml polythene bottle.