Black Molybdenum Wire
Black molybdenum wire is molybdenum wire with graphite coating, and its surface color is black. Black molybdenum wire is always in coiling or straight. In addition, black molybdenum wire is always annealed.
There is an impurity content standard of black molybdenum wire.
| Mo | C | N | O | Fe | Ni | Si |
| ≥99.95% | ≤0.01% | ≤0.002% | ≤0.007% | ≤0.01% | ≤0.005% | ≤0.01% |
Black molybdenum wire is widely used in making heat parts for electronic vacuum device, heating parts, hooks of various type of bulb, mandrels of tungsten coiled coil wire, etc
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The molybdenum wires is principally used in the high-temperature field of molybdenum furnace and radio tube outlets, also in thinning the molybdenum filament, and the molybdenum rod in heating materials for high-temperature furnace, and side-bracket/bracket/outlets wire for heating materials.
Cleaned molybdenum wire, namely white molybdenum wire, is molybdenum wire removes graphite coating on the surface by using the methods of electrolytic cleaning and hydrogen-sintered cleaning, and has a good bright and shiny surface. The diameter of cleaned molybdenum wire is ranging from 0.05mm to 3mm.
Spray molybdenum wire is regularly covered with graphite. When removed graphite, spray molybdenum wire is metallic luster. It has a good high-temperature tensile strength and corrosion resistance after sintering, forging, and drawing.
Pure molybdenum can be presented in many types. Molybdenum bar is one popular product made of molybdenum. Therefore, molybdenum bar shares the properties of molybdenum, which are high melting point, good thermal conductivity and low thermal expansion. At high temperature, they can resist oxidation and have high strength without any distortion during the procession, etc.