Molybdenum Disulfide MoS2 — An Indispensable Additive for Solid Lubricants

Molybdenum Disulfide MoS2 — An Indispensable Additive for Solid Lubricants

2022-06-01 16:22:07  News

In addition to reducing friction, lubricants reduce the amount of wear that occurs during operation, reduce operating temperatures, minimize corrosion of metal surfaces and help keep contaminants out of the system.

With the progress of modern industrial technology, more and more machinery or equipment mechanization, automation, and super-large. The emergence of new technology is accompanied by the improvement of product performance. Now general lubricating oil has been unable to meet the lubrication requirements of the equipment. In this case, solid lubricants with better performance came into being. 


There are many kinds of solid lubricants, such as graphite, molybdenum disulfide, fossil fluoride ink, tungsten disulfide, boron nitride, and so on. The most widely used is molybdenum disulfide, and the best performance is boron nitride and fossil fluoride ink. 


Molybdenum disulfide is a solid powder made of natural molybdenum refined powder after purification. It is the modern "king of advanced solid lubrication". It has the advantages of high-temperature resistance, radiation resistance, high vacuum resistance, corrosion resistance, and extreme pressure resistance, so it has been widely used as additives for grease, powder metallurgy, modified plastics, spraying, and other industries.


Molybdenum disulfide is used in almost all grease-using markets and almost all types of grease thickeners, including lithium complexes, aluminum complexes, and polyurea. It is also considered to be the optimal additive for complex titanium greases with their inherent high carrying capacity and even better performance. 


Typically, grease contains 1% to 2% MoS2, and the key parameters are surface roughness, load, and speed. For rougher metal surfaces, larger MoS2 particle sizes are ideal because large particles fill deep valleys and contribute to a smooth surface. At a given MoS2 concentration, small particles will provide better load-bearing capacity. Also, very small particles may cause some corrosion problems due to high acid values. In general, a particle size of about 6m is the most commonly used MoS2 particle size in grease. 


Molybdenum disulfide has become an indispensable and irreplaceable industrial additive at present. It has made a great contribution to the development of modern new technology, not only elevating the lubrication technology to a new stage but also creating favorable conditions for the development of pure dry film lubrication. 


Molybdenum Disulfide MoS2 Price

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Molybdenum Disulfide MoS2 Supplier

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