Low-shedding nonwoven abrasive articles
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United States of America Patent
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Nov 22, 2022
Grant Date -
Oct 3, 2019
app pub date -
Mar 29, 2019
filing date -
Mar 29, 2018
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Abstract
Articles and methods regarding the making and use of low-shedding nonwoven abrasive articles, such as abrasive wheels and hand pads, that have a low shed rate and achieve a high grind ratio. The abrasive articles comprise a blend of a plurality of primary abrasive particles and a plurality of reinforcing abrasive particles that is disposed on a nonwoven web substrate. The primary abrasive particles have an average particle size equal to or larger than the average fiber diameter of the substrate fibers, and the reinforcing abrasive particles have an average particle size smaller than the average fiber diameter.
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