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graphite colloidal is a liquid suspension of extremely fine flakes of graphite in water or various solvents used as an industrial lubricant and conductive coating. It can be applied by brushing, swabbing, spraying or dipping to surfaces. The graphite adheres to the surface and forms an impregnating film that can be wiped away after application. This enables the material to be used in applications where oil-based lubricants are not allowed or where the environment is unsuitable for them.
It is an excellent lubricant for the “run-in” period of hot equipment or tools, especially when the operation involves high temperatures, pressures or vibration. It is also highly effective for lubricating threaded connections and joints. In addition, it is more resistant to corrosion and wear than oil, preventing the build-up of oil-based deposits.
This type of lubricant is a must-have in many industries, including manufacturing, aerospace, and nuclear. It is often a more cost-effective alternative to petroleum lubricants, particularly in environments where environmental concerns must be taken into account.
The lubricity of colloidal graphite is enhanced when the dispersions are used in air. Consequently, they can be sprayed onto nonmetallic surfaces to provide conducting shielding for vacuum systems and other evacuated areas. The lubricity of these dispersions is also useful for lubricating the molds and dies used in glass molding and casting. The lubricity of these dispersions can also be exploited for removing stains from glass articles. The lubricity of these dispersions makes it possible to clean the surfaces of glass elbows without damaging them. X-ray diffraction, photoluminescence, differential interference contrast and fluorescence microscopy were employed to investigate the interaction of GR with CL. SERS images showed that GR is entrapped within CL fibrils.