CobraFor embedding and removing material.Cobra - abrasive contains one of the hardest materials: aluminium oxide (Al2O3). Products nameVersionmaterialgrain sizecontentsitem No.abrasivesCobraAluminium oxyde25 µm5 kg694103abrasivesCobraAluminium oxyde50 µm5 kg694104abrasivesCobraAluminium oxyde50 µm12.5 kg694092abrasivesCobraAluminium oxyde125 µm5 kg694107abrasivesCobraAluminium oxyde125 µm12.5 kg694094abrasivesCobraAluminium oxyde250 µm5 kg694108abrasivesCobraAluminium oxyde250 µm12.5 kg694095