normal align=center>黑色冶金熔剂石灰岩化学成分一般要求

normal align=center>类别

normal align=center>品位界限

normal align=center>化学成分质量分子数%

normal align=center>CaO

normal align=center>CaO+MgO

normal align=center>MgO

normal align=center>SiO2

normal align=center>P

normal align=center>S

normal align=center>石灰岩

normal align=center>边界品位

normal align=center>≥48

normal align=center> 

normal align=center>≤3.0

normal align=center>≤4.0

normal align=center>≤0.04

normal align=center>≤0.15

normal align=center>工业品位

normal align=center>≥50

normal align=center> 

normal align=center>≤3.0

normal align=center>≤4.0

normal align=center>≤0.04

normal align=center>≤0.15

normal align=center>白云质灰岩

normal align=center>（高镁石灰岩）

normal align=center>边界品位

normal align=center> 

normal align=center>≥49

normal align=center>≤8.0

normal align=center>≤4.0

normal align=center>≤0.03

normal align=center>≤0.12

normal align=center>工业品位

normal align=center> 

normal align=center>≥51

normal align=center>≤8.0

normal align=center>≤4.0

normal align=center>≤0.03

normal align=center>≤0.12