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What is graphite lubricant?

2021-01-05 09:08


Graphite has a flaky crystal structure with good lubricating properties. It also has good electrical conductivity, thermal conductivity, wear resistance, pressure resistance, temperature resistance (temperature up to 450°C), and chemical stability. Therefore, graphite is widely used in the machinery industry to make various lubricants.


Used as a lubricant, it is mainly to evenly distribute graphite fine particles in water, oil or other media to form a stable colloidal substance. It can be directly applied to the parts that need lubrication by means of spin coating, dipping or spraying. It can be added to various lubricants and used together. In contact with the metal surface, it can not only form a strong lubricating film, but also improve the wetting performance of other lubricants on the metal surface, thereby maintaining long-term lubrication. In addition, because graphite exists as extremely fine particles, it is easy to penetrate into closely fitting sliding or rotating parts to provide good lubrication.