W образная вакуумная металлизирующая нить нагревателя

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W shape vacuum metallizing heater filament


Tungsten has a high melting point, high resistivity, good strength low vapor pressure, it is suitable for making heating elements. Placking film material (aluminum, chrome, indium etc) in a vacuum metalizing machine, with high vacuum, the heating elements will evaporate the film turn into shiny and beautiful film.


 


Specification:













































Single wire diameter0.3-1.5mm, 3-4pcs twisted together or more pieces twisted.
BrandW1, WAL1
SurfaceChemical cleaning or electrolytic polishing.
Density19.35g/cm3
Tensile strength2800MPa
Telorance of diameter+/-0.02mm
Boiling Point5927℃
Melting  point3390℃
ApplicationVacuum metalizing, heating components, filament, electric Light Source.
FeaturesLong lifetime, shape is stable in using, small tolerance.

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