Tungsten disulfide solid lubricant may be tungsten disulfide nano powder, tungsten disulfide film or tungsten disulfide self-lubricating composite material that can protect the relative moving surface from damage and reduce friction and wear. Wherein, tungsten disulfide nanopowder can be dispersed and used in gas, liquid and colloid; tungsten disulfide film can be obtained by spraying, vacuum deposition, etc.; and tungsten disulfide self-lubricating composite material is an important emerging lubricating material with various production processes.
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Tungsten disulfide solid lubricant has advantages of low friction coefficients, good wear resistance, corrosion resistance, radiation resistance, high temperature resistance, low temperature resistance, and non-corrosive or weakly corrosive characteristics. Also, it is non-toxic, and will not pollute the environment. Therefore, it can meet the requirements of long-term normal work under the special working conditions of high temperature, low temperature, strong radiation, high vacuum and high speed that traditional lubricating oils and greases cannot meet.