发明名称 |
Sementaktige, gipsholdige bindemidler og blandinger og materialer fremstilt med slike |
摘要 |
<p>Cementitious binders include calcium sulfate beta-hemihydrate, a cement component comprising Portland cement, and either silica fume or rice-husk ash. The silica fume or rice-husk ash component is at least about 92 wt % amorphous silica and has an alumina content of about 0.6 wt % or less.</p> |
申请公布号 |
NO995663(A) |
申请公布日期 |
1999.11.18 |
申请号 |
NO19990005663 |
申请日期 |
1999.11.18 |
申请人 |
NATIONAL GYPSUM CO |
发明人 |
STAV, ELISHA;BURKARD, EDWARD A.;FINKELSTEIN, RONALD S.;WINKOWSKI, DANIEL A.;METZ, LAMBERT J.;MUDD, PATRICK J. MUDD |
分类号 |
A62D1/00;C04B28/14;C04B111/28;C04B111/62;(IPC1-7):C04B |
主分类号 |
A62D1/00 |
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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