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Shape Categories

Shape Categories of Abrasives

Categories of Abrasives By Shape

First, the Round, which is the least aggressive of the three types, “peens” the surface. This type also looks closest to a ball. A smooth, rolling profile does not help this in efficacy in coating removal. It is however low in dust and embedment. Good examples of this shape is: steel shot, glass beads, and plastic beads.

Second, the Sub-Angular is more aggressive than round and it’s angular profile gives it a little more dust and embedment, but still low to mid. Good examples of this shape is: Powerblast and Alluvial Garnet.

Third, the Angular is the most aggressive of the three types but the very angular profile leads to a broad range of dust potential as well as high embedment potential. This type would be best for coating removal. Good examples of this shape: Ebony Grit, Hard Rock Garnet, JetMag, Aluminum Oxide, and Black Max.

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