A sintered agglomerate manufacturing method that produces a sintered agglomerate having a structure of densely-filled internal portions and uniformly dispersed abrasive particles, while suppressing the amount of foreign matter mixed into the sintered agglomerate. A manufacturing method for a sintered agglomerate including: causing a slurry containing a glass frit, abrasive particles and water-soluble polysaccharide to contact a metal salt-containing solution to prepare an agglomerate; and sintering the prepared agglomerate.
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