摘要 |
<p>Bleach particles with a core of sodium percarbonate, an inner coating layer with at least 50% by weight of sodium sulfate in the form of thenardite or burkeite and an outer coating layer comprising a water-soluble binder and a perhydrolyzable N-acyl compound or O-acyl compound as bleach activator are storage-stable, are suitable for silo storage and can be transported and handled safely even in a hot and humid climate.</p> |