aluminum oxide blast media - https://blastgrit.com/aluminium-oxide-blast-media-grit/ »

Achieve unparalleled surface preparation with the Aluminum Oxide Blast Media Grit from Blastgrit! Get high-quality results.

Aluminum oxide, also known as corundum when it is found in its crystalline form, is second only to diamonds in terms of hardness among all substances. Because of its remarkable hardness, aluminum oxide blasting grit has become a popular option for abrasive blasting.