Abrasive grain agglomerates, process for the production thereof and the use thereof for producing abrasives
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United States of America Patent
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Aug 11, 2015
Grant Date -
Jul 28, 2011
app pub date -
Oct 1, 2009
filing date -
Oct 10, 2008
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Abstract
The present invention relates to abrasive grain agglomerates composed of fine-particle primary abrasive grains which are held together by means of a binder based on an aluminosilicate having a molar ratio of Al2O3 to SiO2 of from 1:2 to 1:20. The particular advantage of these abrasive grain agglomerates is that the binder cures fully at below 450° C., preferably below 400° C., to form abrasive grain agglomerates having an extraordinarily high strength.
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