Tungsten Wires
1.filaments in incandescent lamps
2.heating elements in high-temperature furnaces
3.production of electron tubes and electronic components
4.vacuum deposition processes for coating materials onto substrates
5.thermionic emission applications
Product Introduction
Tungsten wire
Tungsten is the most widely used refractory metal. The high temperature properties of tungsten wires are critical to the production of lighting products and other products. Because its melting point is 3410℃, it still has good electrical and thermal conductivity under conditions of low thermal expansion, low vapor pressure and high temperature.
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Application of tungsten wire
The resistivity of tungsten wire is 5.3*10^-8. In addition to a small amount of tungsten wire used as heating materials for high temperature furnace, electron tube thermions and composite reinforcement, most of the filament is used to make a variety of incandescent lamp and halogen tungsten lamp filament and gas discharge lamp electrode. Mainly used in the production of coil filament incandescent lamp, power tube cathode and support structure, high temperature furnace heating element and evaporation source for metallization. Coarse tungsten wire, straightened after surface treatment, and cut into a number of rods, widely used in lighting and electronic industry glass metal sealing components.
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