硅灰石針狀粉理化指標如下:SYW—XA:SiO2≥50 CaO ≥45 Fe2O3≤0.25Al2O3 ≤ 0.8 MgO≤0.8 S≤0.01P≤0.01 Loss≤1.5 SYW—XB:SiO2≥50 CaO ≥44 Fe2O3≤0.25Al2O3 ≤ 0.8 MgO≤0.8 S≤ 0.01P≤0.01 Loss≤2 SYW—XC:SiO2≥49 CaO ≥39 Fe2O3≤0.35Al2O3 ≤ 0.8 MgO≤0.8 S≤ 0.01 P≤0.01 Loss≤6
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