粒度:≤2微米(F.S.S.S.粒度)目数:-300目松比:0.7-1.0 g/cm3性状:浅灰色包装:1kg/真空袋(外加铁桶或纸箱)杂质含量(≤wt%):Ni≤0.05 Fe≤0.01 Na≤0.015 Cu≤0.01 Zn≤0.008 Mg≤0.008 C≤0.030 S≤0.03 Mn≤0.008 O≤0.50