A grinding material includes a base sheet and a grinding layer overlaid on a front face side of the base sheet and including abrasive grains and a binder for the abrasive grains. The grinding layer includes the abrasive grains of a plurality of types. Of the abrasive grains of the plurality of types, provided that first abrasive grains have the largest average diameter and second abrasive grains have the second largest average diameter, the percentage of the average diameter of the second abrasive grains with respect to that of the first abrasive grains is 5-70%. The total content of the abrasive grains in the grinding layer is preferably 50-85% by volume. The content of the first abrasive grains in the grinding layer is preferably 1-25% by volume. The first abrasive grains are preferably diamond abrasive grains and the second abrasive grains are preferably alumina abrasive grains.

A grinding material includes a base sheet and a grinding layer overlaid on a front face side of the base sheet and including abrasive grains and a binder for the abrasive grains. The grinding layer includes the abrasive grains of a plurality of types. Of the abrasive grains of the plurality of types, provided that first abrasive grains have the largest average diameter and second abrasive grains have the second largest average diameter, the percentage of the average diameter of the second abrasive grains with respect to that of the first abrasive grains is 5-70%. The total content of the abrasive grains in the grinding layer is preferably 50-85% by volume. The content of the first abrasive grains in the grinding layer is preferably 1-25% by volume. The first abrasive grains are preferably diamond abrasive grains and the second abrasive grains are preferably alumina abrasive grains.

A coated abrasive article comprising a backing, an adhesive layer disposed in a discontinuous distribution on at least a portion of the backing, wherein the discontinuous distribution comprises a plurality of adhesive contact regions and at least one shaped abrasive particle is disposed on a majority of each of the discrete adhesive contact regions, wherein at least 50% of the shaped abrasive particles comprise a predetermined side orientation and have a tilt angle of at least 45 degrees, wherein the shaped abrasive particles comprise a polycrystalline material and are free of binder, wherein the first plurality of discrete adhesive contact regions comprise a predetermined two-dimensional shape as viewed from above, and wherein each of the discrete contact regions comprises a length, a width, or a combination thereof that substantially corresponds to a dimension of the at least one abrasive particle.

A coated abrasive article comprising a backing, an adhesive layer disposed in a discontinuous distribution on at least a portion of the backing, wherein the discontinuous distribution comprises a plurality of adhesive contact regions and at least one shaped abrasive particle is disposed on a majority of each of the discrete adhesive contact regions, wherein at least 50% of the shaped abrasive particles comprise a predetermined side orientation and have a tilt angle of at least 45 degrees, wherein the shaped abrasive particles comprise a polycrystalline material and are free of binder, wherein the first plurality of discrete adhesive contact regions comprise a predetermined two-dimensional shape as viewed from above, and wherein each of the discrete contact regions comprises a length, a width, or a combination thereof that substantially corresponds to a dimension of the at least one abrasive particle.

Disclosed herein are a metal plate including a plurality of pattern portions, a patterning apparatus configured to form a plurality of patterns on the metal plate, and a patterning method using the same. The metal plate to be used in a household appliance includes a plurality of pattern portions in which a hairline pattern is formed on a surface of the metal plate, wherein the plurality of pattern portions includes a first pattern portion having a first hairline pattern and a second pattern portion having a second hairline pattern different from the first hairline pattern.

Disclosed herein are a metal plate including a plurality of pattern portions, a patterning apparatus configured to form a plurality of patterns on the metal plate, and a patterning method using the same. The metal plate to be used in a household appliance includes a plurality of pattern portions in which a hairline pattern is formed on a surface of the metal plate, wherein the plurality of pattern portions includes a first pattern portion having a first hairline pattern and a second pattern portion having a second hairline pattern different from the first hairline pattern.

A method for the zonal polishing of a workpiece includes using a polishing tool to guide a structured polishing pad over the surface of workpiece to remove material from the workpiece. A structured polishing pad includes a structuring adapted to the movement of a polishing tool.

A coated abrasive article comprising a backing, an adhesive layer disposed in a discontinuous distribution on at least a portion of the backing, wherein the discontinuous distribution comprises a plurality of adhesive contact regions and at least one shaped abrasive particle is disposed on a majority of each of the discrete adhesive contact regions, wherein at least 50% of the shaped abrasive particles comprise a predetermined side orientation and have a tilt angle of at least 45 degrees, wherein the shaped abrasive particles comprise a polycrystalline material and are free of binder, wherein the first plurality of discrete adhesive contact regions comprise a predetermined two-dimensional shape as viewed from above, and wherein each of the discrete contact regions comprises a length, a width, or a combination thereof that substantially corresponds to a dimension of the at least one abrasive particle.

A coated abrasive article comprising a backing, an adhesive layer disposed in a discontinuous distribution on at least a portion of the backing, wherein the discontinuous distribution comprises a plurality of adhesive contact regions and at least one shaped abrasive particle is disposed on a majority of each of the discrete adhesive contact regions, wherein at least 50% of the shaped abrasive particles comprise a predetermined side orientation and have a tilt angle of at least 45 degrees, wherein the shaped abrasive particles comprise a polycrystalline material and are free of binder, wherein the first plurality of discrete adhesive contact regions comprise a predetermined two-dimensional shape as viewed from above, and wherein each of the discrete contact regions comprises a length, a width, or a combination thereof that substantially corresponds to a dimension of the at least one abrasive particle.

A surface-treating article, comprising a circular substrate (100) comprising a first major surface, an abrasive disposed on the first major surface, the abrasive having a first concentration at a first radius (110) measured from the center of the substrate, the abrasive having a second concentration not equal to the first concentration at a second radius (120) measured from the center of the substrate, wherein the first radius (110) and the second radius (120) are different lengths.