| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a firing vessel having excellent reaction resistance and thermal shock resistance and capable of high speed firing or being made large-sized in a degree of 300 mm square. <P>SOLUTION: The firing vessel comprises a raw material having ≤3 mm maximum particle diameter and composed essentially of magnesia and magnesia spinel, wherein the total quantity of MgO is 60-90 wt.% and the quantity of Al<SB>2</SB>O<SB>3</SB>contained in powder having about ≤50 μm particle diameter is ≤2.0 wt.%. <P>COPYRIGHT: (C)2007,JPO&INPIT |
