A SOL-GEL ABRASIVE GRIT COMPOSITION CONTAINING SOL-GEL ALUMINA GRIT

摘要

ABSTRACT 331/MAS/96 "A sol-gel abrasive grit composition and a bonded or coated abrasive article comprising the said composition" This invention relates to a sol-gel abrasive grit composition comprising sol-gel alumina grit and from 0.01 to 2% by weight of an alkali metal oxide selected from rubidium oxide, caesium oxide and a mixture thereof and optionally having from 0.1 to 20% by weight of an oxide selected from magnesium oxide, zirconia and a mixture thereof The invention also relates to a bonded or coated abrasive article comprising the said composition.