Molybdenum disulfide (MoS2) This solid lubricant is also known as “the King of Solid Lubricants.”
Molybdenum diulfide, or molybdenum powder, is made from a natural concentrate of molybdenum after chemical purification. The color is black, with a slight gray metallic luster. It’s slippery and not soluble in water. Molybdenum diulfide offers the benefits of being non-sticky, and having good dispersibility. It can also be added to greases in order to produce a non-sticky, colloidal state. This will increase the lubricity as well as the extreme pressure.

It is suitable for equipment that is subjected to high-temperature, pressure, speed, and load mechanical conditions. Molybdenum Disulfide has the ability to increase friction and reduce friction when used at low temperatures, while reducing friction and friction at higher temperatures.

Molybdenum diulfide is used in a variety of ways as a solid lubricant.
1. Lubrication in wide temperature ranges: lubricating grease and oil can be applied from about 60degC – 350degC. The solid molybdenum disulfide lubricant has a temperature range from 270degC up to 1000degC.

2. Lubrication for heavy loads: The oil films of general lubricating ointments and greases are only capable of bearing relatively small load values. Once the load is exceeded, the oil film will rupture. The solid lubricating layer can support a load of 108Pa on average.

3. Lubrication for vacuum conditions. Under high vacuum, lubricating greases and oils are highly evaporative. They can easily damage vacuum environments and impact the performance of other parts. Molybdenum diulfide solids lubricants are usually used to lubricate.
4. Lubricants under radiation conditions: General liquid lubricants polymerize and decompose in radiation conditions. They lose their lubricating characteristics. Solid lubricants offer better radiation resistance.

5. Lubrication of conductive surface: The friction between conductive surfaces such as motor brush, conductive slides, solar collector rings or sliding electrical contacts of artificial satellites that work in vacuum can be made out of metal or carbon graphite.

6. Molybdenum disulfide is suitable for harsh environmental conditions. For example, transportation machinery, engineering equipment, metallurgical or steel industry institutions, mine machinery, and other transmission components that are exposed to dust, sand and high temperatures and humidity.

7. Corrosive Environments: Ship machinery, chemical machinery, and other transmission parts operating in corrosive mediums such as seawater, water (steam), acid, alkali, or salt must be able to withstand different levels of chemical corrosion. Molybdenum Disulfide Solid can be used to lubricate the transmission parts that are working in such a situation.

8. The environment is extremely clean. Transmission parts in electronics, textiles, food, medicines, paper, printing, and other machines need to be free of contamination. Solid lubricants such as MoS2 can be used.

9. Instances where maintenance is not required: Some transmission components do not require maintenance. Others need to reduce maintenance frequency to save on costs. MoS2 solid greases are convenient and economical in these cases.

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