An abrasive comprising shaped abrasive particles each with an opening. The shaped abrasive particles are formed from alpha alumina and have a first face and a second face separated by a thickness t. The opening in each of the shaped abrasive particles can improve grinding performance by reducing the size of a resulting wear flat, can provide a reservoir for grinding aid, and can improve adhesion to a backing in a coated abrasive article.

 
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< DISH-SHAPED ABRASIVE PARTICLES WITH A RECESSED SURFACE

< SHAPED ABRASIVE PARTICLES WITH A SLOPING SIDEWALL

> Thermal barrier mineral foam polyurethane and so forth

> GAS BARRIER LAMINATE

~ 00613