High performance abrasive articles containing abrasive grains and nonabrasive composite grains
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United States of America Patent
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Dec 30, 1997
Grant Date -
N/A
app pub date -
Oct 20, 1995
filing date -
Oct 20, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A coated abrasive article comprised of a backing having a layer of grains adherently bonded thereto by a binding material, wherein the layer of grains comprises abrasive grains and nonabrasive composite grains, and the nonabrasive composite grains comprise inorganic nonabrasive particles bonded together by a binder selected from the group consisting of a metal salt of fatty acid, colloidal silica, and combinations thereof. The abrasive article has an unexpected abrading efficiency, performing equal to, or superior to, a coated abrasive article containing only abrasive grains. The invention also relates to a bonded abrasive article comprising the abrasive grains and nonabrasive composite grains adhered together.
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