Medium
Medium burned aluminas are often used for brake pad application. These products fill the gaps between the hard and soft burned aluminas.
A 2
Unground alumina with top cut of 150 µm for heavy cutting compounds.
P 66 M
Ground alumina with top cut of 125 µm.
A 267
Ground alumina with top cut of 63 µm mainly used in brake pads.
A 2-325 CR
Ground Alumina with special controlled top cut at 45 µm / 325 mesh for cutting compounds.