Tungsten filament is the essential part in bulbs, such as halogen bulbs and vacuum bulbs. Tungsten is an element that is used in the creation of light bulb filaments. There are several different types of light bulbs on the market that utilize tungsten filaments in their construction.
Tungsten filament is used in bulbs, because of tungsten’s properties. The bulb is sealed after removing air from it and filling it with inert gasses under low pressure, thus creating a partial vacuum and a non reactive atmosphere. Tungsten won't react with inert gasses under normal conditions. Thus fusing of the filament is avoided. If air was in it, the tungsten would burn out after reacting with oxygen. Tungsten filament is not only widely used as high temperature lamp filament, stock-resistance filament,
Tungsten filament can be made in lots of shapes, such as coiling, horizontal helix, and vertical helix, and so on. It can be made according to customers’ requirements.
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