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Bismuth (Bi) Needle

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Bismuth Needle is used in metal alloys, Bismuth oxide, paint material, additive, activator, medicine, toiletry, semiconductor, superconductor, etc. The length is from 10 mm to 60 mm. The purity and size can be tailored based on specific requirements. Heeger Materials provides the best bismuth needles at a competitive price. 

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Data sheet

Molecular FormulaBi
Purity99.99%
Size10 mm to 60 mm, or customized
CAS7440-69-9

More info

Bismuth Needle is a brittle metal with a white, silver-pink color and it's stable in both dry and moist air at ordinary temperatures. Bismuth Needle is non-toxicity, low melting point, and can be used as a carbide stabilizer in the manufacturing process for malleable iron. Bismuth Needle also can be added to low-carbon steel or aluminum to improve machinability. 

Bismuth (Bi) Needle

  • Molecular Formula: Bi
  • CAS: 7440-69-9
  • EINECS NO.: 231-177-4
  • Purity: 99.99%
  • Size: the length from 10mm to 60mm, or customized
  • Phase at STP: solid
  • Appearance: lustrous brownish silver
  • Melting point: 544.7 K (271.5 °C, 520.7 °F)
  • Boiling point: 1837 K (1564 °C, 2847 °F)
  • Density (near r.t.): 9.78 g/cm3
  • when liquid (at m.p.): 10.05 g/cm3
  • The heat of fusion: 11.30 kJ/mol
  • The heat of vaporization: 179 kJ/mol
  • Molar heat capacity: 25.52 J/(mol·K)

Bismuth (Bi) Needle Applications

  • Used in thermal conductivity testing and experiments due to their relatively low thermal conductivity properties.
  • Used in various laboratory experiments, particularly in chemistry and material science research, as reagents or materials for specific reactions or studies.
  • Used in artistic and craft projects for their unique appearance and metallic characteristics.

Bismuth (Bi) Needle Packing

Bismuth (Bi) Needle is carefully packaged in carton boxes with foam protection to minimize damage during storage and transportation and to preserve the quality of our products in their original condition. The vacuum packing is 1kg/bag, 25kg/barrel, or based on specific requirements.

Why choose us?

  • Low oxygen content and low heavy metals content.
  • Strict quality control for procedures of raw material, process control, and pre-delivery.
  • Great technical capability to be a valued and long-term supplier.
  • Technical support: 24-hour technical support by e-mail or call.

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