Scouring article with mixture of abrasive particles
Assignee3M Innovative Properties Company
InventorsLijun ZU, David C. RAITHEL
Life of this patent
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Assignee3M Innovative Properties Company
InventorsLijun ZU, David C. RAITHEL
Estimating the term…
A scouring article include a three-dimensional non-woven web of fibers bonded to one another to form a lofty, non-woven substrate. An abrasive coating is coated on the substrate. The abrasive coating includes a binder; a first plurality of abrasive particles and a second plurality of abrasive particles dispersed in the binder. The first plurality of inorganic abrasive particles has a Mohs' hardness of 7 greater and a median particle size in the range of 20 microns to 100 microns. The second plurality of organic abrasive particles has a Mobs' hardness in the range of 1 to 5 and a median particle size greater than 100 microns. The average surface roughness created by use of the scouring article, according to the surface roughness test, is less than 8 microns.
A scouring article comprising:
A method of making a scouring article, comprising the steps of:
A roll comprising a three-dimensional non-woven web of fibers bonded to one another to form a lofty, non-woven substrate;
Dependencies are inferred from the claim text.