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Method for making abrasive grain using impregnation, and abrasive articles

Image Number 4 for United States Patent #5893935.

Method for making alpha alumina-based abrasive grain from a dispersion comprising boehmite, wherein the method involves the impregnation of an alpha alumina-based ceramic precursor material. The abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, and non-woven abrasives.

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