| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a manufacturing method, of a centrifugally molded product, which can dispense with a special incorporating material (agent) and can make a highly strong centrifugally molded product without generating slag, using conventional manufacturing equipment. <P>SOLUTION: This centrifugally molded product is manufactured by centrifugally molding a kneaded material composed of at least, cement, an aggregate, 12 to 20% of water in a ratio to a water bonding material, a low BET silica fume with less than 15 m<SP>2</SP>/g specific surface by the BET method and 0.5 to 2.0 pts.mass naphthalene-based high-performance moisture reducing agent to 100 pts.mass bonding material, and then curing the centrifugally molded kneaded material. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
