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What is molybdenum disulfide grease

Issuing time:2023-04-17 23:09


Molybdenum disulfide grease is a verycommon type of grease on the market, known as the king of solid lubrication.Molybdenum disulfide is a solid powder made of natural molybdenum concentratepowder after chemical purification. Can be added in a variety of oils, theformation of no adhesive colloid state, increase grease and extreme pressure;Also suitable for high temperature, high pressure, high speed, high load ofmechanical working state, prolong the life of the equipment.

Molybdenum disulfide grease produced andsold by our company has higher purity of molybdenum disulfide, more regularcrystal structure and larger grain. At the same time, the content ofnon-lubricating solid impurities is lower, which excludes the negativeinfluence or interference of other impurities on the lubricity of molybdenumdisulfide, so that its performance is fully played.

Molybdenum disulfide grease black slightlysilver gray, metallic luster, smooth to touch, insoluble in water. Molybdenumdisulfide grease, as a good solid lubricant, is widely used in the followingconditions:

1. Lubrication under wide temperatureconditions: molybdenum disulfide solid grease can be applied to the operatingtemperature range of -100 °C to 1000°C.

2, corrosive environment occasions: such asship machinery, chemical machinery and other transmission parts in water(steam), seawater and acid, alkali, salt and other corrosive medium work, toundergo different degrees of chemical corrosion. Molybdenum disulfide solidlubrication material can be used for transmission parts working in suchsituations.

3, conductive sliding surface lubrication:such as motor brush, conductive sliding block, solar collector ring onartificial satellite working in vacuum and sliding electrical contacts andother conductive sliding surface friction, can be made of carbon graphite ormetal composite materials for lubrication.

4. Lubrication under radiation conditions:under radiation conditions, the general liquid lubricant will occurpolymerization or decomposition, lose lubrication performance. High puritymolybdenum disulfide solid lubricant has better radiation resistance.

5. Lubrication under vacuum conditions:under high vacuum conditions, the evaporation of general lubricating oil andgrease is relatively large, which is easy to destroy the vacuum environment andaffect the performance of other components. Generally, molybdenum disulfidesolid lubricating material is used for lubrication.

6, the environmental conditions are veryharsh occasions: harsh environment occasions, such as transport machinery,engineering machinery, metallurgy and iron and steel industry institutions,mining machinery and other transmission parts in dust, sand, high temperatureand humidity and other harsh environment work, can use special molybdenumdisulfide solid grease lubrication.

7, heavy load conditions of lubrication:general lubricating oil, fat oil film, can only withstand relatively smallload. Once the load exceeds the limit value it can bear, the oil film willbreak and the friction surface will bite. Molybdenum disulfide solidlubrication film can bear the average load in 108Pa.

Molybdenum disulfide grease can be used fora long time without maintenance on specific occasions. To save money,maintenance needs to be reduced. The use of molybdenum disulfide solidlubricant is reasonable, convenient and cost saving. So this is a popular hightemperature bearing grease.

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