產品名稱：碳化鈮                  
粒度：3μm                      
化學成分（%）                     
NbC....99.5      Ct.....11.27                  
Cf....... 0.1       O.......0.15                       
Fe.......0.04      Si......0.005               
Al........0.003    Ti......0.005            
Mo......0.003    N.......0.025               
Na......0.005