Thoriated Tungsten Wire

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: 0.15mm ±.01 (.006" ±.0005)

• Length: 10' (3m) min.

• Electrical Resistance: 3.17 Ω/m

• Temper: Annealed

• Finish: Carburized

• COO: Canada

• Safety Data Sheet: ThoriatedTungstenWireSDS

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.