| 摘要 |
<p>Slag cement contains 70-95 wt.% blast furnace slag in ground form with more than 4500 Blaine cm 2>/g, in which up to half of this amount can be substituted by aluminosilicates such as fly ash, alumina or marl; 0.1-2 wt.% clinker; less than 5 wt.% sulfate calculated as SO 3; and 0.3-1 wt.% of a superliquefier such as naphthalene sulfonate. Preferred Features: The clinker is present in an amount of 1 wt.% and the blast furnace slag has more than 5000 Blaine cm 2>/g.</p> |
