| 摘要 |
<p>Disclosed are a glass-fiber-reinforced cement panel and a process for its manufacturing, according to which a cement slurry devoid of asbestos fiber consisting of 0.5-3.0% by weight of glass fiber or glass fiber and polyvinyl alcohol fiber in combination, and pulp in an amount 2-2.5 times the total amount of glass fiber and polyvinyl alcohol fiber, balance cement, is prepared; then, the cement slurry, with 0.005-0.6% by weight of a cement flocculant added in the midway as it is transferred from the chest to the bats, is subjected to the Hatschek sheetmaking process, thereby forming the glass-fiber-reinforced cement panel.</p> |
