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2. Lubricant - Wikipedia

   en.wikipedia.org/wiki/Lubricant

   Motor oil, a common lubricant. A lubricant (sometimes shortened to lube) is a substance that helps to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. It may also have the function of transmitting forces, transporting foreign particles, or heating or cooling the surfaces.

3. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   Motor oil is used for the lubrication, cooling, and cleaning of internal combustion engines. Motor oil may be composed of only a lubricant base stock in the case of mostly obsolete non-detergent oil, or a lubricant base stock plus additives to improve the oil's detergency, extreme pressure performance, and ability to inhibit corrosion of engine ...

4. Synthetic oil - Wikipedia

   en.wikipedia.org/wiki/Synthetic_oil

   Synthetic oil is a lubricant consisting of chemical compounds that are artificially modified or synthesised. Synthetic lubricants can be manufactured using chemically modified petroleum components rather than whole crude oil , but can also be synthesized from other raw materials.

5. Mineral oil - Wikipedia

   en.wikipedia.org/wiki/Mineral_oil

   Most often, mineral oil is a liquid obtained from refining crude oil to make gasoline and other petroleum products. Mineral oils used for lubrication are known specifically as base oils. More generally, mineral oil is a transparent, colorless oil, composed mainly of alkanes [2] and cycloalkanes, related to petroleum jelly.

6. Base oil - Wikipedia

   en.wikipedia.org/wiki/Base_oil

   Base oils are used to manufacture products including lubricating greases, motor oil and metal processing fluids. Different products require different compositions and properties in the oil. One of the most important factors is the liquid’s viscosity at various temperatures.

7. Naphthenic oil - Wikipedia

   en.wikipedia.org/wiki/Naphthenic_oil

   One way of obtaining compositional information on lubricating base oil is the n-d-M method (ASTM D3238 [6]), an empirical method for determining the carbon type distribution by indicating the percentage of carbons in aromatic structure (%CA), the percentage of carbon in naphthenic structure (%CN) and the percentage of carbon in paraffinic ...