| 发明名称 |
SAG-RESISTANT GYPSUM BOARD AND METHOD |
| 摘要 |
<p>SAG-RESISTANT GYPSUM BOARD AND METHOD A gypsum board consisting essentially of a monolithic cellular core of set gypsum and a fiberous cover sheet encasement provided with improved properties by the gypsum core having incorporated therein coal fly ash in an amount of about 1-20% by weight of stucco in the gypsum slurry used in forming the board and method of producing the board are disclosed.</p> |
| 申请公布号 |
CA1140846(A) |
申请公布日期 |
1983.02.08 |
| 申请号 |
CA19800343439 |
申请日期 |
1980.01.10 |
| 申请人 |
CANADIAN GYPSUM CO. LTD. |
发明人 |
BRUCE, ROBERT B.;KUNTZE, RICHARD A. |
| 分类号 |
C04B18/08;E04C2/04;(IPC1-7):32B13/08 |
主分类号 |
C04B18/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
