What is the Difference between Motor Oil and Grease?

Technology, Transportation
[caption id="attachment_15935" align="alignright" width="440"] Silhouette of working oil pumps on sunset background.[/caption] Lubricants are slippery substances that coat mechanical parts having tight tolerances so they can slide against each other with minimal friction. This is very important, since friction heats up the component parts, which lowers their lifetime. Sometimes oil may used to achieve satisfactory results. Sometimes grease is necessary. What is the difference between motor oil and grease? Oil Composition Refined oil is derived, as one would expect, from crude oil. Its composition varies due to the source of the crude as well as the processing needed to create the finished product. Oils are viscous, non-polar organic substances of biotic and/or abiotic origin. They do not readily adhere to other surfaces. That being the case, they afford a high…
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