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Coltan Urgently Needed In Large Quantities - Business - Nairaland

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Coltan Urgently Needed In Large Quantities by webcool(m): 8:44am On Jun 04, 2018
Urgent Request
Client is in need for COLTAN (Columibite and Tantalite) with specification of Ta. 5% Min and Nb2O5 55% Min (Niobium Peroxide) and other minerals but Niobium Peroxide highest percentage.
Origin: Nigeria
Kindly burst me on +2348060374414


A lustrous and malleable metal having a density of 8.6 g/cc and melting point of 2468 degC. It possesses high resistance to corrosion and enhances the physical properties of ferrous, nickel super-alloys and super-conductors. It also has applications in optics, electronic, nuclear, welding and jewellery.

Niobium is available in the form of ingot, billet, bar, powder, wire and scrap of various types.

Columbite (Fe, Mn) (Nb,Ta)2 O6
Niobium is principally obtained from the mineral columbite and also pyrochlore. The concentrate is typically:

Nb2O5 - 55% min
Ta2O5 - 5% min
TiO2 - 6% max
SnO2 - 6% max
ThO2 + U3O8 0.5% max
Sb - 50 ppm max

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