For rock tumbling, glass etching, or dental work, finer grades are required: Aluminum Oxide - Amazon.com
: Best for affordable, bulk blasting media. They typically stock 25 lb and 50 lb buckets of 70-grit black aluminum oxide. where to buy aluminum oxide
Depending on whether you need a small jar for polishing or bulk quantities for sandblasting, you can find aluminum oxide at the following locations: For rock tumbling, glass etching, or dental work,
: A reliable source for various grit sizes and quantities, from small 12 lb bags for hobbyists to large industrial orders. : Offers diverse options
: Offers diverse options, including specialized white aluminum oxide and ultra-fine polishing powders through their online marketplace. Specialized Polishing and Lapidary Suppliers
: 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.