| 摘要 |
PROBLEM TO BE SOLVED: To prevent a vessel from occurring defective seal in the production of a bleaching component-containing granular product. SOLUTION: A granular product containing a bleaching component is obtained by spraying peroxide-containing particles, bleaching activation agent-containing particles or their mixed particles with a binder melting at a temperature lower than 45 deg.C or filling the particles 3 carrying the binder into a vessel 2, and then, an inlet 2a of the vessel 2 is tightly sealed.
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