发明名称 |
Improvements in and relating to board products |
摘要 |
A fire-resistant board product is comprised of a hydraulic cement binder reinforced by a mixture of long and short staple vitreous fibres, silica in an amount at least sufficient to react with the free lime in the cement, together with from 1 to 10% by weight of a cellulosic fibre. Optionally, the board product further includes at least one low density filler which may provide at least part of the silica component.
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申请公布号 |
US3969567(A) |
申请公布日期 |
1976.07.13 |
申请号 |
US19740449434 |
申请日期 |
1974.03.08 |
申请人 |
TAC CONSTRUCTION MATERIALS LTD. |
发明人 |
OCCLESHAW, JOHN E.;SMITH, TERENCE D. |
分类号 |
C04B28/18;C04B16/02;C04B16/06;C04B28/04;E04B1/94;E04C2/16;(IPC1-7):C04B29/02;C04B7/02 |
主分类号 |
C04B28/18 |
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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