Clean Turbine Blades and Engine Parts - Aluminum Oxide

Aluminum oxide from Composition Materials is a sharp-cutting, durable, and long-lasting grit used in surface preparation, grinding, blasting, and blast cleaning. It is manufactured in electric arc furnaces by a reduction fusion of superior-quality bauxites.

Aluminum oxide abrasives have high hardness and toughness for industrial applications, such as cleaning engine components and turbine blades. The fast-cutting action of the aluminum oxide works well on hard-to-remove debris on hard metal surfaces, as well as to engrave monument markers. In addition, it is frequently used as a non-slip/anti-skid aggregate in flooring applications.

Since 1923, Composition Materials has been supplying industries worldwide with abrasives. Also available is White Aluminum Oxide.


  • Appearance: Brown angular grit
  • Specific gravity: 3.96 g/cm3
  • Hardness: 9.0 MOH, 1850 kgf/cm2 (Knoop—100)
  • Chemistry: Al2O3: 95.69%; TiO2: 2.66%; SiO2: .83%; MgO: .29%; Fe2O3: .28%
  • Sizes: #12, #16, #20, #24, #30, #36, #46, #54, #60, #70,#80<, #90, <#100, #120, #150, #180, #240, #280, #320, #360, #400, #500, #600, #800, #1000, #1200, #1600
  • Packaging: 50 lb bags, supersacks, 40 bags/pallet
  • Industries: Surface finishing, metal preparation, aircraft maintenance

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