An abrasive shaped article composed of at least 90% by weight, based on the weight of the abrasive shaped article, of silica and having a bulk density of 0.2 g/cm.sup.3 to 1.5 g/cm.sup.3, a BET specific surface area of 10 m.sup.2 /g to 400 m.sup.2 /g and an average particle diameter of 0.001 .mu.m to...http://www.google.com/patents/US6245406?utm_source=gb-gplus-sharePatent US6245406 - Abrasive shaped article, abrasive disc and polishing method
