| 摘要 |
<p>The present invention is a hydraulic composition which contains glycerin, hydroxymethane sulfonic acid or a salt thereof, a dispersing agent, a hydraulic powder, an aggregate and water, and in which the content of glycerin is 0.040-0.280 parts by mass relative to 100 parts by mass of the hydraulic powder and the content of the hydroxymethane sulfonic acid or a salt thereof is 0.010-0.420 parts by mass relative to 100 parts by mass of the hydraulic powder.</p> |
