JPS5732014B2 - |
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| 申请号 | JP8930280 | 申请日 | 1980-07-02 | 公开(公告)号 | JPS5732014B2 | 公开(公告)日 | 1982-07-08 |
| 申请人 | 发明人 | ||||||
| 摘要 | A process and apparatus for producing a healed stucco having lowered water demand without loss of normal strength development potential which comprises, while blending a small amount of water with the calcined gypsum, simultaneously or substantially simultaneously grinding the calcined gypsum so as to increase the surface area of the calcined gypsum particles while incorporating about 1-10% by weight of the calcined gypsum of free water. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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