Virgin fused brown aluminum oxide abrasives provide a strong, high-densitymedia for blasting your toughest applications. Aluminum Oxide will clean & etch on all types of surfaces including glass, granite, marble, ceramic and steel leaving a beautiful metal finishing. Aluminum Oxide has high density angular shapes making it one of the most versatile blasting medias available. It can be used we or dry. Used for: Surface preparation prior to painting or bonding, Profiling, Cleaning Metal, Engraving, Sand Blasting, Rust or Scale Removal, and Generation of Matte Finishes. Perfect for: Blasting Rooms, Blasting Cabinets and Open-air Blasting. Brown fused aluminum oxide is a tough, hard material (Mohs hardness 9) with high strength, excellent wear and corrosion resistance and good thermal conductivity. It's highlyefficient, highly reusable, a non-reactive abrasive, won't interfere with your coatings during surface prep, there's no free silica, lasts 10 times longer than silica, aggressive, coarse grade, high density, packaged in the USA, and is environmentally friendly