Tungsten wire can be purchased according to the surface condition, black or cleaned.
The above picture is to show the surface of tungsten wire is cleaned.
The applications of black or cleaned tungsten wire are for the production of coiled incandescent lamp filaments, cathode and support structures for power tubes, heating elements for high temperature furnaces and evaporation sources in metallizing processes. Thicker sizes of tungsten wire, straightened, finish-ground and cut into rod pieces are widely used for glass-to-metal seal lead parts in the lighting and electronic industries.
More please contact sales@chinatungsten.com.
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