Assertion: coloring material | /r/HasProperty | powder-like
Facets:
Source sentences:
text: It is preferable that a coloring material prepared by drying a dry coloring material having a moisture content of 15% by mass or less under normal pressure at a drying temperature of 105° C. for a drying time of 2 hours and storing the dried coloring material at 40° C. and a relative humidity of 75% for 2 hours in order to cause the coloring material to absorb moisture be powder-like.