| 摘要 |
A rotary finishing tool, comprising (a) a foamed elastomeric bond where the elastomeric bond has greater than 5% void and contains (i) a medium abrasive grit having a grain size of from about 30 to about 50, and (ii) a fine abrasive grit having a grain size of about 70 to about 100. In another embodiment, a rotary finishing tool, comprising (a) a hub adaptable to be power driven, (b) an array of abrasive monofilaments secured to and projecting from the hub, where the abrasive monofilament is a polymeric material which has abrasive grit dispersed throughout, and (c) an abrasive grit containing foamed, elastomeric bond, having greater than 5% voids, secured to the hub and encapsulating the array of monofilaments.
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