| 摘要 |
A refractory composition suitable for forming a monolithic structure by ramming, gunning, or casting is made from sized refractory aggregate, preferably nonacid aggregate, containing at least 10% grain with an MgO content of at least 50% and passing a 100 mesh screen, together with aluminum sulfate, an organic acid or salt thereof, for example citric acid or a citrate, with or without the addition of a boron compound, preferably a soluble boron compound such as borax or boric acid. |
