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The main component in molybdenite is powder, which has the chemical formula MoS2. It is a dark solid powder that has a metallic sheen.
What property does molybdenum sulfide powder have?
The powder of molybdenum is not soluble with water, diluted acid or concentrated sulfuric. It’s also generally insoluble with other acids, alkalis and organic solvents. But it is soluble when heated in concentrated sulfuric and aqua regia.
It is easy for copper to be corroded by molybdenum powder, due to its high active sulfur content. In many books and articles on lubricant add-ons, it is mentioned. When parts made of copper alloys and copper need to be greased, it’s not impossible to use molybdenum diulfide lubricants, but you can also add copper corrosion inhibitors.
Where is molybdenum sulfide powder used?
Molybdenum diulfide is a very important solid lubricant. It is particularly suitable for use at high temperatures and under high pressure. It is diamagnetic and can be used to convert energy and as a linear semiconductor. Molybdenum Disulfide may also be used to dehydrogenate complex hydrocarbons.
Molybdenum Disulfide Powder is also called the “king of solid lubricants.” Molybdenum powder is solid molybdenum that has been purified chemically and changed in molecular structure. This product is black, has a slight metallic luster with a silvery gray tint, is slippery and not soluble in water. The product’s advantages are its good dispersibility, and that it is non-sticking. It can be mixed with various greases to produce a non-sticky, colloidal state. This can increase the lubricity of the grease and its extreme pressure. It is suitable for mechanical conditions with high temperatures, high pressures, high speeds and high loads.
Its main purpose in friction materials is reducing friction at low temperature, increasing friction at higher temperatures and having a small loss during ignition. It is volatile in friction materials.
Molybdenum diulfide powder is also a potential new material to be used in the manufacture of transistors. In comparison with graphene (also a 2-dimensional material), molybdenum diulfide is has a gap in the energy band of 1.8eV. However, graphene lacks an energy gap. The application of molybdenum diulfide in nano-transistors is therefore very broad.
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