Thoriated Tungsten Wire 0.125mm (.005") x 10' (3m)

One 10' length of research-grade, thoriated tungsten wire. Furnished on a 2" spool. Material certification is available on request.

• Material: Tungsten 99%, Thorium 1%
• Diameter: 0.125mm ±.01 (.005" ±.0004)
• Length: 10' (3m) min.
• Temper: Annealed
• Finish: Carburized
• COO: Canada
• Safety Data Sheet: ThoriatedTungstenWireSDS.pdf

Thoriated tungsten offers excellent electron emission characteristics and an extremely long service life. Filaments must be activated before service (see this article). Please contact us if you have specific requirements. We can also provide filament assemblies in various configurations.