国产烧结焊剂的牌号表示方法
<DIV align=center>国产烧结焊剂的牌号表示方法</DIV><DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 width="90%" border=1>
<TBODY>
<TR>
<TD>
<DIV align=center><B>焊剂牌号</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>熔渣类型</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>主要组成范围</B><B></B></DIV></TD></TR>
<TR>
<TD>
<DIV align=center>SJ1××</DIV></TD>
<TD>
<DIV align=center>氟碱型</DIV></TD>
<TD>
<DIV align=center>CaF<SUB>2</SUB>≥15% CaO+MgO+MnO+CaF<SUB>2</SUB>＞50% SiO<SUB>2</SUB>≤20%</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>SJ2××</DIV></TD>
<TD>
<DIV align=center>高铝型</DIV></TD>
<TD>
<DIV align=center>Al<SUB>2</SUB>O<SUB>3</SUB>≥20% Al<SUB>2</SUB>O<SUB>3</SUB>+CaO+MgO45%</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>SJ3××</DIV></TD>
<TD>
<DIV align=center>硅钙型</DIV></TD>
<TD>
<DIV align=center>CaO+MgO+SiO<SUB>2</SUB>＞60%</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>SJ4××</DIV></TD>
<TD>
<DIV align=center>硅锰型</DIV></TD>
<TD>
<DIV align=center>MnO+SiO<SUB>2</SUB>＞50%</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>SJ5××</DIV></TD>
<TD>
<DIV align=center>铝钛型</DIV></TD>
<TD>
<DIV align=center>Al<SUB>2</SUB>O<SUB>3</SUB>+TiO<SUB>2</SUB>＞45%</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>SJ6××</DIV></TD>
<TD>
<DIV align=center>其它型</DIV></TD>
<TD>
<DIV align=center> </DIV></TD></TR></TBODY></TABLE></DIV>
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