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Niobium Carbide Powder

Commodity Niobium Carbide Powder
NbC 99.5% min. 
Total Carbon   11.00% min. 
Free Carbon  0.05% max.
Si  0.01% max.
Fe  0.10% max.
0.10% max.
Ti  0.01% max.
Mn  0.05% max.
0.10% max.
Ta 0.20% max.
Particle Size Fsss 1.0-1.5 & 1.5-4µm; 80 - 200mesh (-180/75µm), 100 - 200mesh (-150/75µm), or as request 
Uses material of cemented carbide alloy, niobium bar, niobium powder, weld material of PTA
(Plasma Transferred Arc) welding etc.
Packing in iron drums with inner plastic bags of 30/40/50Kg net each, as requested
Remarks NbC in crystal and powder could be supplierd. Please kindly inform us so as to meet the demands if you would have the special specifications