US8864862B2 - Coated abrasive grains, method and for
The present invention relates to abrasive grains, which are coated with a micro-particle inorganic powder and a binder, consisting of the group of conventional abrasive grains as well as the group of the 'superabrasives', wherein the binder comprises an aluminosilicate with a molar ratio of Al 2 O 3 to SiO 2 of 1:2 to 1:20 as well as at least one complex alkaline fluoride.
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