Fine Tungsten foil is also a typical tungsten product, which is a thin sheet of metallic tungsten (W),
The purity is generally greater than 99.9%,
Thickness 0.01-0.3mm, width 100-400mm, length 400-1500mm,
The surface states include alkaline acid washed surface, annealed surface, and polished surface,
Fine Tungsten foil have attracted much attention due to their excellent performance and wide range of applications. Tungsten sheets not only have excellent mechanical and chemical properties such as high hardness, high melting point, high corrosion resistance, high density, and low coefficient of thermal expansion, but also have good conductivity and thermal conductivity, making them an important industrial material.
The Main Uses Of Fine Tungsten Foil Are As Follows
1. Application in Electronics: Tungsten wafers are widely used in electronics, such as making field emitters, electron guns, radiation protection screens, etc. Due to the excellent cold working performance of tungsten, it is easy to make thin sheets, so tungsten sheets also have good applications in electronics.
2. Applications in the field of optics: Tungsten flakes can be used to manufacture high-temperature reflectors, refractors, and optical lenses in the optical field, which can improve the service life and performance of optical instruments.
3. Application in the aerospace field: Tungsten sheets can be used to manufacture materials in high-temperature, high-speed, and high-pressure environments such as rockets and missiles, greatly improving their service life and durability.
Tungsten Foil Can Be Classified According To Different Uses, Mainly Divided Into The Following Types
1. Electronic grade tungsten flakes: used in fields such as electronics, optics, and vacuum electronic instruments, with characteristics such as high temperature strength, high density, and low coefficient of thermal expansion.
2. Electric melting tungsten sheet: It is used in high temperature smelting, smelting furnace, evaporator, spray and other fields, with high melting point, high thermal stability and other characteristics.
3. High density tungsten flakes: used in high-density alloys, electron guns, satellite missiles and other fields, with characteristics such as high density and high hardness.
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