Niobium Foil

Niobium is a silvery metal that commonly used in the medical, aerospace, and optics industries. At Fine Metals, niobium is available in  99.95% purity (excluding Tantalum).

View more details on niobium’s Safety Data Sheet.

Details

General Properties

Symbol:  Nb
Atomic Number:  41
Atomic Weight:  92.9064
Density:  8.57 gm/cc
Melting Point:  2468 oC
Boiling Point:  4742 oC
Thermal Conductivity:  0.537 W/cm/K @ 298.2 K
Electrical Resistivity:  12.5 microhm-cm @ 0 oC
Electronegativity:  1.6 Paulings
Specific Heat:  0.064 Cal/g/K @ 25 oC
Heat of Fusion:  6.5 Cal/gm mole

Specifications

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99.95% Purity excluding Tantalum

Thickness Width Length
.0005″ to .0007″ .5″ to 2″ up to 100″
.001″ to .002″ .5″ to 6″ up to 100″
.003″ to .004″ .5″ to 4″ 12″ to 24″
.005″ to .020″ .5″ to 6″ 12″ to 24″
.021″ to .032″ .5″ to 6″ 12″ to 24″
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