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產品名稱：碳化鉭                   
重量：50g                       
粒度：1.5μm                          
化學成份（%）                       
Ta(Nb)C ≥99.50      Al ≤0.01            
Ct ≥6.20                 Ti ≤0.015                 
Cf ≤0.20                 N ≤0.04                    
O ≤0.20                 Na ≤0.015                  
Nb ≤0.30               Ca ≤0.015             
Fe ≤0.06                Si ≤0.02