| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hydraulic composition excellent in initial flowability without causing a curing retardation. <P>SOLUTION: The hydraulic composition contains water, hydraulic powder, a dispersant, and tartronic acid and/or its salt. The content of the tartronic acid and/or its salt is 0.007 to 0.15 pt.wt. based on 100 pts.wt. of the hydraulic composition. <P>COPYRIGHT: (C)2013,JPO&INPIT |
