| 摘要 |
<p>An additive for metallurgic liquids is disclosed which is effective to efficiently remove slag therefrom and comprises at least one colloidal substance mainly consisting of colloidal silica in the siloxane three-dimensional lattice. The additive may include such minerals as opal, kieselgur, tripoli, obsidians, pumices, zeolites, vermiculite or bentonites, either singly or mixed together.</p> |
