CPC B24D 11/04 (2013.01) [B24D 11/06 (2013.01); B24D 3/28 (2013.01)] | 15 Claims |
1. A surface-treating article, comprising:
a circular substrate comprising a web of open, lofty, nonwoven fibers, the substrate comprising a first major surface; and
a coating including an abrasive and a resin disposed on the first major surface;
wherein the abrasive having a first concentration at a first radius measured from the center of the substrate,
wherein the abrasive having a second concentration not equal to the first concentration at a second radius measured from the center of the substrate, wherein the first radius and the second radius are different lengths and the length of the first radius is less than the length of the second radius,
wherein the first concentration and the second concentration are greater than zero,
wherein the abrasive has a third concentration at a third radius measured from the center of the substrate, and wherein the first and third concentration are both greater than the second concentration, and the length of the second radius is between the length of the first radius and the third radius.
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