Tungsten Filaments,

 made of tungsten wires,

have high melting point and good corrosion resistance.

They are mainly used for vacuum metallizing, such as heating elements
for chrome scope, mirrors, plastics and decoration articles.
Tungsten Filaments can be stranded into single or multi wires according to the samples
or drawings of customers.

Pure wire and doped wire are both available.

Diameter of tungsten wire: 0.2-1.2mm