| 摘要 |
<p>An ALC which is produced by adding an organopolysiloxane having per molecule at least one siloxane unit selected among R(CH3)SiO2/2, R(CH3)2SiO1/2, and RSiO3/2 (wherein R is alkyl represented by CnH2n+1) to a slurry of a mixture of a powdery siliceous material and a powdery calcareous material in an amount of from 0.0005 to 0.30 wt.%, excluding 0.30 wt.%.</p> |
