发明名称 |
Method for hydrating hemihydrate gypsum. |
摘要 |
<p>A gypsum mold having good water absorbing properties, which is suitable for cast molding pottery, can be prepared by stirring a mixture of hemihydrate gypsum cooled to -40 to 5 DEG C and water to form a slurry of gypsum in water having a temperature of -5 to 10 DEG C, pouring it into a water-impermeable mold, maintaining it therein until the setting reaction thereof is completed and then releasing the set product from the mold.</p> |
申请公布号 |
EP0312027(A2) |
申请公布日期 |
1989.04.19 |
申请号 |
EP19880116957 |
申请日期 |
1988.10.12 |
申请人 |
TOTO LTD. |
发明人 |
KOSUGI, TATSUHIRO;SUEMITU, MASAHIKO;GOTO, MASAMI |
分类号 |
B28B1/26;B28B7/34;C04B28/14;C04B40/00 |
主分类号 |
B28B1/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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