Those lubricants that can reduce the friction of two surfaces sliding against each other inspite of being in the solid phase without the need of liquid oil medium are called “Solid Lubricants”. For of...

Those lubricants that can reduce the friction of two surfaces sliding against each other inspite of being in the solid phase without the need of liquid oil medium are called “Solid Lubricants”. For of the most common examples of Solid Lubricants are Graphite, Molybdenum Sulphide, Grease, hexagonal Boron nitride, Tungsten disulphide, etc..