Tantalum Ribbon
Product Tantalum Ribbon
Part Number TRM-TA029
Synonyms Tantalum Belt, Tantalum Foil Belt, Tantalum Band, Tantalum Foil, Tantalum Strip, Tantalum Tape

Tantalum Ribbon (Tantalum Band, Tantalum Foil) is widely used in the lighting industry. It is mainly used in high pressure mercury lamps, high pressure sodium lamps, metal halide lamps, films and television light sources, etc. Its quality has a great influence on the lamp life and interface welding quality.

For the application of halogen lamps, TRM can also provide the Molybdenum Ribbon, Y-Doped Molybdenum Ribbon for your choice. The thickness and width can be very small. Please contact us for details.

Typical Application: Halogen lamps. Mainly used in electric vacuum devices, electric light source parts, high temperature heating elements, etc.

Order Information

Please include the following information with your inquires and orders:

  1. Quantity
  2. Dimensions/tolerance

Chemical Composition

Element UNS R05200
O 0.015% max
C 0.01% max
N 0.01% max
H 0.0015% max
Fe 0.01% max
Ni 0.01% max
Si 0.005% max
Ti 0.01% max
Mo 0.02% max
W 0.05% max
Nb 0.1% max
Ta balance

* Higher Purity level 99.95% is available.

Typical Size Available (Please inquire for details)

Thickness 0.001″ to 0.02″
Typical Tolerance of Thickness +/-0.0002”
Width range 0.032” to 0.2”
Typical Tolerance of Width +/-0.008’’

Features:

  • Supplied in coils
  • Smooth cut surfaces without conglutination
  • Smooth surface, no roller printing, scratches, dirt and metallic luster
  • Custom work is available.

For the other ribbon/band products, please refer to: Y-Doped Molybdenum Ribbon and Molybdenum Ribbon

Standard Packing

Wrapped in plastic bags and loaded in a plastic box.

Physical Properties – Tantalum

Phase solid
Melting Point 3290 K (3017 °C, 5463 °F)
Boiling Point 5731 K (5458 °C, 9856 °F)
Density 16.69 g/cm3
Density (when liquid, at m.p.) 15 g/cm3
Heat of Fusion 36.57 kJ/mol
Heat of Vaporization 753 kJ/mol
Molar Heat Capacity 25.36 J/(mol·K)