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Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives , detergents, dispersants , and, for multi-grade oils, viscosity index improvers .
In addition to industrial applications, lubricants are used for many other purposes. Other uses include cooking ( oils and fats in use in frying pans and baking to prevent food sticking), to reduce rusting and friction in machinery , through the use of motor oil and grease , bioapplications on humans (e.g., lubricants for artificial joints ...
If the information is appropriate for the lead of the article, this information should also be included in the body of the article. ( December 2021 ) ( Learn how and when to remove this message ) Lubrication is the process or technique of using a lubricant to reduce friction and wear and tear in a contact between two surfaces.
Oil additives are chemical compounds that improve the lubricant performance of base oil (or oil "base stock"). The manufacturer of many oils can use the same base stock for each formulation and can choose different additives for each use. Additives comprise up to 5% by weight of some oils. [1]
A sample of synthetic motor 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.
Polyolester oil (POE oil) is a type of wax-free synthetic oils used in refrigeration compressors that is compatible with the refrigerants R-134a, R-410A, and R-12. [1] POE oils are used as a lubricant in systems using the refrigerant HFC-134a when replacing CFC-12 , as these systems traditionally use mineral oil , [ 2 ] which HFC-134a does not ...
K-Y Jelly was initially used as a surgical lubricant before it gained popularity as a personal lubricant. [citation needed] Lignocaine gel containing the local anaesthetic lignocaine is a prime example of a non-irritating substances used as surgical lubricant [citation needed] Medicinal castor oil was the original vegetable-based surgical ...
Lubrizol Corporation is an American provider of specialty chemicals for the transportation, industrial and consumer markets. These products include additives for engine oils and other transportation-related fluids, additives for industrial lubricants, and additives for gasoline and diesel fuel.