一般用途的粘土质耐火材料
<TABLE cellSpacing=0 cellPadding=0 border=1><TBODY>
<TR>
<TD vAlign=top width=115 colSpan=2 rowSpan=2>
<P align=center><STRONG>项目</STRONG></P></TD>
<TD vAlign=top width=453 colSpan=8>
<P align=center><STRONG>牌号及指标</STRONG></P></TD></TR>
<TR>
<TD vAlign=top width=57>
<P align=center>N-1</P></TD>
<TD vAlign=top width=57>
<P align=center>N-2a</P></TD>
<TD vAlign=top width=57>
<P align=center>N-2b</P></TD>
<TD vAlign=top width=57>
<P align=center>N-3a</P></TD>
<TD vAlign=top width=57>
<P align=center>N-3b</P></TD>
<TD vAlign=top width=57>
<P align=center>N-4</P></TD>
<TD vAlign=top width=57>
<P align=center>N-5</P></TD>
<TD vAlign=top width=57>
<P align=center>N-6</P></TD></TR>
<TR>
<TD vAlign=top width=115 colSpan=2>
<P align=center>耐火度／℃≥</P></TD>
<TD vAlign=top width=57>
<P align=center>1750</P></TD>
<TD vAlign=top width=57>
<P align=center>1730</P></TD>
<TD vAlign=top width=57>
<P align=center>1730</P></TD>
<TD vAlign=top width=57>
<P align=center>1710</P></TD>
<TD vAlign=top width=57>
<P align=center>1710</P></TD>
<TD vAlign=top width=57>
<P align=center>1690</P></TD>
<TD vAlign=top width=57>
<P align=center>1670</P></TD>
<TD vAlign=top width=57>
<P align=center>1580</P></TD></TR>
<TR>
<TD vAlign=top width=115 colSpan=2>
<P align=center>0.2MPa载荷软化温度／℃≥</P></TD>
<TD vAlign=top width=57>
<P align=center>1400</P></TD>
<TD vAlign=top width=57>
<P align=center>1350</P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center>1320</P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center>1300</P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD></TR>
<TR>
<TD vAlign=top width=58 rowSpan=2>
<P align=center>重烧线变化（％）</P></TD>
<TD vAlign=top width=57>
<P align=center>1400℃,2h</P></TD>
<TD vAlign=top width=57>
<P align=center>+0.1</P>
<P align=center>-0.4</P></TD>
<TD vAlign=top width=57>
<P align=center>+0.1</P>
<P align=center>-0.5</P></TD>
<TD vAlign=top width=57>
<P align=center>+0.2</P>
<P align=center>-0.5</P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD></TR>
<TR>
<TD vAlign=top width=57>
<P align=center>1350℃,2h</P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD>
<TD vAlign=top width=57>
<P align=center>+0.2</P>
<P align=center>-0.5</P></TD>
<TD vAlign=top width=57>
<P align=center>+0.2</P>
<P align=center>-0.5</P></TD>
<TD vAlign=top width=57>
<P align=center>+0.3</P>
<P align=center>-0.5</P></TD>
<TD vAlign=top width=57>
<P align=center>+0.2</P>
<P align=center>-0.5</P></TD>
<TD vAlign=top width=57>
<P align=center> </P></TD></TR>
<TR>
<TD vAlign=top width=115 colSpan=2>
<P align=center>显气孔率（％）≤</P></TD>
<TD vAlign=top width=57>
<P align=center>22</P></TD>
<TD vAlign=top width=57>
<P align=center>24</P></TD>
<TD vAlign=top width=57>
<P align=center>26</P></TD>
<TD vAlign=top width=57>
<P align=center>24</P></TD>
<TD vAlign=top width=57>
<P align=center>26</P></TD>
<TD vAlign=top width=57>
<P align=center>24</P></TD>
<TD vAlign=top width=57>
<P align=center>26</P></TD>
<TD vAlign=top width=57>
<P align=center>28</P></TD></TR>
<TR>
<TD vAlign=top width=115 colSpan=2>
<P align=center>常温耐压强度／MPa≥</P></TD>
<TD vAlign=top width=57>
<P align=center>29.4</P></TD>
<TD vAlign=top width=57>
<P align=center>24.5</P></TD>
<TD vAlign=top width=57>
<P align=center>19.6</P></TD>
<TD vAlign=top width=57>
<P align=center>19.6</P></TD>
<TD vAlign=top width=57>
<P align=center>14.7</P></TD>
<TD vAlign=top width=57>
<P align=center>19.6</P></TD>
<TD vAlign=top width=57>
<P align=center>14.7</P></TD>
<TD vAlign=top width=57>
<P align=center>14.7</P></TD></TR></TBODY></TABLE>
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