Its density is 10.2 g/cc; Melting point is 2610 ℃; Boiling point 5560 ℃; The valence is +2, +4 and +6, and the stable valence is +6. Molybdenum is a transition element, which easily changes its oxidation state and plays an electron transfer role in REDOX reactions in vivo. In the oxidized form, molybdenum is most likely in the +6 state. Other oxidation states of molybdenum have been found in reduced enzymes, although it is also likely to be first reduced to the +5 state during electron transfer. Tungsten plate, molybdenum plate, tungsten rod, molybdenum rod, tungsten tube, molybdenum tube, tungsten crucible, molybdenum crucible

Molybdenum is a component of xanthine oxidase/dehydrogenase, aldehyde oxidase and sulfite oxidase, so it is known to be an essential trace element for human body, animals and plants. All kinds of human tissues contain molybdenum, the total amount of adult body is 9mg, liver, kidney content is the highest.

Molybdenum never occurs as a natural element, but is always combined with other elements. Although many molybdenum minerals are found, the only one of industrial interest is molybdenite (MoS2), a natural sulfide of molybdenum. Molybdenite deposits typically range in grade from 0.01% to 0.50% and are often combined with sulfides of other metals, especially copper. Molybdenum deposits can be divided into the following three types:

1. Primary molybdenum ore, mainly extracting molybdenite concentrate;

2, secondary molybdenum ore, molybdenum separation from the main product copper;

3. Symbiotic molybdenum deposits, in which the industrial mining value of molybdenum and copper is equal.

Pure molybdenum wire is used for high-temperature electric furnace, edM and wire cutting. Molybdenum sheets are used to make radio equipment and X-ray equipment; Molybdenum high temperature ablative, tungsten plate, molybdenum plate, tungsten rod, molybdenum rod, tungsten tube, molybdenum tube, tungsten crucible, molybdenum crucible is mainly used for gun bore, rocket nozzle, lamp tungsten wire bracket manufacturing. Molybdenum in alloy steel can improve the elastic limit, corrosion resistance and maintain permanent magnetism. In addition, molybdenum is one of the seven micronutrients required for the growth and development of plants and animals, without which all kinds of living things cannot survive.

The consumption form of molybdenum is mainly industrial molybdenum trioxide, accounting for about 70%, ferromolybdenum 20%, molybdenum metal and molybdenum chemicals 5% each.

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