| 摘要 |
PURPOSE:To provide a refractory, especially a magnesia-chromium refractory, more particularly a magnesia-chromium refractory having excellent spalling resistance. CONSTITUTION:A magnesia-chromium refractory containing a magnesia- chromium raw material as main aggregate is incorporated with 0.5-10wt.% (outer percentage) of aragonite-type calcium carbonate having particle diameter of <=10mm. |
