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SN500
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SN150 (TYPE1) + Analises

grease

Grease is a solid or semisolid lubricant formed as a dispersion of thickening agents in a liquid lubricant. Grease generally consists of a soap emulsified with mineral or vegetable oil.

Application and importance of using grease
Grease is used to lubricate places where frequent lubrication with a liquid lubricant is not possible or cost-effective. For example, moving parts of a car’s front end, greases, unlike oils, cannot perform the cooling and cleaning functions.

Engineering assessment and analysis
Lithium-based greases are the most commonly used; sodium and lithium-based greases have higher melting point (dropping point) than calcium-based greases but are not resistant to the action of water. Lithium-based grease has a dropping point at 190 to 220 °C (374 to 428 °F). However the maximum usable temperature for lithium-based grease is 120 °C.

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Description
The use and importance of using grease
Grease is used to lubricate places where frequent lubrication with a liquid lubricant is not possible or cost-effective. For example, moving parts of the front of a car. Unlike oils, greases cannot perform the cooling and cleaning functions 
Many driving forces cannot be used without the use of grease. Although grease is used in a smaller amount compared to other lubricants, its position is of great importance and cannot be replaced by other materialsGrease acts as a barrier to dust and dirt by removing some materials from machinery.

Grease provides lubrication for a longer period of time than oil. Some greases are formulated to remain in the part as a seal and last the life of the part.
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