High Melting Point 3420 ℃ Diameter 0.265mm Tungsten Filament For Photoelectric Industry
1. Introduction Of Diameter 0.265mm Tungsten Filament For Photoelectric Industry:
Due to the high melting point, high hardness and non-corrosion characteristics of tungsten, photoelectric tungsten wire is mainly used in optical communication, laser, photoelectric display, optics, solar photovoltaic, electronic engineering, logistics network and other fields. Several wire drawing dies are typically used to draw tungsten wire. The main purpose is to manufacture filaments and high-speed cutting alloy steel, and also used in optical instruments, chemical instruments, etc.
2. Physical Parameters Of Diameter 0.265mm Tungsten Filament For Photoelectric Industry:
| Density | Mellting Point | Purity | Resistivity |
| 19.3g/cm3 | 3420 ℃ | 99.95% | 5.3*10^-8 |
3.Characteristic Of Diameter 0.265mm Tungsten Filament For Photoelectric Industry:
High melting point,
High resistivity,
Good strength,
Low vapor pressure
The resistivity of tungsten wire is 5.3*10^-8. High resistivity, high melting point, strong strength, and low vapor pressure are all characteristics of tungsten. Among all the pure metals, it is the one that produces incandescent filaments the best. Yet, processing tungsten is challenging because to its hardness and fragility. When the current passes through the tungsten wire and is heated to a certain temperature, the resistance value of the tungsten wire increases to a certain value (the resistance value of the general metal wire increases with the increase of temperature).
4. Size Of Diameter 0.265mm Tungsten Filament For Photoelectric Industry:
| Item name | Diameter(mm) | Surface |
| Photoelectric Tungsten wire | 0.01, 0.02, 0.03, 0.035, 0.04, 0.045, 0.05, 0.06, 0.065, 0.08, 0.1, 0.15, 0.2, 0.265 0.3, 0.5, 0.6, 0.8, 1.0, 1.5, 2.0 We can process as per customer requirement. | Electrolytic polishing Black, White |
5. Application Of Diameter 0.265mm Tungsten Filament For Photoelectric Industry:
The resistivity of photoelectric tungsten wire is 5.3*10^-8. High resistivity, high melting point, strong strength, and low vapor pressure are all characteristics of tungsten. It is the best material for making incandescent lamp tungsten wire among all pure metals. Ammonium paratungstate (APT) is primarily used as a raw ingredient in the production of photoelectric tungsten wire.The general process is to roast ammonium paratungstate into tungsten trioxide in air at about 500°C, or slightly reduce it to blue tungsten oxide in hydrogen at about 450°C. When the diameter of tungsten wire reaches the micron level, it is difficult to accurately measure its diameter with a conventional caliper. Therefore, internationally, the weight of a tungsten wire with a diameter of less than 0.2mm is usually expressed by the weight of its cut length of 200mm wire.
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