TaC:99.6%Min碳化钽粉品级FTaC-01FTaC-1总碳含量min.(%)6.26.2***大杂质含量,(wt%)自由碳含量0.10.15N0.0250.05Al0.010.01Ca0.010.02Fe0.050.15K0.0020.002Na0.0020.002Nb0.31.0S0.010.01Si0.010.01Ti0.010.01O0.20.25Fsss粒度0.8-3µm≤3µm)