White Aluminum Oxide is a dental grade abrasive used for micro abrasion in dental applications. Obtained from the fusion of calcined alumina in electric arc furnaces. It is recommended for refractory applications where purity, chemical stability or high fractiousness is an issue to be considered.
50 micron =225 grit=270 mesh
(we made this 47 net lbs so you will not have to pay the 50lb UPS surcharge)