
| 
 No.  | 
 Item  | 
 Standard Specification  | 
|||||||
| 
 1  | 
 Products  | 
 Cr3C2  | 
 NbC  | 
 TaC  | 
 TiC  | 
 VC  | 
 ZrC  | 
 HfC  | 
|
| 
 2  | 
 Content %  | 
 Total C ≥  | 
 12.8  | 
 11.1  | 
 6.20  | 
 19.1  | 
 17.7  | 
 11.2  | 
 6.15  | 
| 
 Free C ≤  | 
 0.30  | 
 0.15  | 
 0.10  | 
 0.30  | 
 0.50  | 
 0.50  | 
 0.30  | 
||
| 
 3  | 
 Chemical Impurity PCT Max each  | 
 O  | 
 0.70  | 
 0.30  | 
 0.15  | 
 0.50  | 
 0.50  | 
 0.50  | 
 0.50  | 
| 
 N  | 
 0.10  | 
 0.02  | 
 0.02  | 
 0.02  | 
 0.10  | 
 0.05  | 
 0.05  | 
||
| 
 Fe  | 
 0.08  | 
 0.05  | 
 0.05  | 
 0.05  | 
 0.05  | 
 0.05  | 
 0.05  | 
||
| 
 Si  | 
 0.04  | 
 0.01  | 
 0.01  | 
 0.02  | 
 0.01  | 
 0.005  | 
 0.005  | 
||
| 
 Ca  | 
 -  | 
 0.005  | 
 0.01  | 
 0.01  | 
 0.01  | 
 0.05  | 
 0.05  | 
||
| 
 K  | 
 0.005  | 
 0.005  | 
 0.005  | 
 0.005  | 
 0.005  | 
 0.005  | 
 0.005  | 
||
| 
 Na  | 
 0.005  | 
 0.005  | 
 0.005  | 
 0.01  | 
 0.01  | 
 0.005  | 
 0.005  | 
||
| 
 Nb  | 
 0.01  | 
 -  | 
 0.01  | 
 0.01  | 
 0.01  | 
 0.005  | 
 0.005  | 
||
| 
 Al  | 
 -  | 
 0.005  | 
 0.01  | 
 -  | 
 -  | 
 -  | 
 -  | 
||
| 
 S  | 
 0.03  | 
 -  | 
 -  | 
 -  | 
 -  | 
 -  | 
 -  | 
||
| 
 4  | 
 Size  | 
 0.5-500micron or 5-400mesh or as customized  | 
|||||||
| 
 5  | 
 Packing  | 
 2kgs in composite bag with iron drum outside, 25kgs net  | 
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