For rock tumbling, glass etching, or dental work, finer grades are required: Aluminum Oxide - Amazon.com
: A reliable source for various grit sizes and quantities, from small 12 lb bags for hobbyists to large industrial orders. where to buy aluminum oxide
Amazon.com: Aluminum Oxide. $25 & above. Get It by Tomorrow. Amazon.com Go to product viewer dialog for this item. For rock tumbling, glass etching, or dental work,
: Carries high-quality blasting abrasive, such as the ALC 25 lbs 60-grit , though some items are online-exclusive and cannot be bought in-store. Get It by Tomorrow
Aluminum oxide is widely available from hardware stores, industrial suppliers, and specialized online retailers, with its availability largely determined by your intended use (e.g., sandblasting, polishing, or industrial applications).
Depending on whether you need a small jar for polishing or bulk quantities for sandblasting, you can find aluminum oxide at the following locations: