What are Lubricants? Give two example.
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3
Answer:
A lubricant can be in liquid (oil, water, etc.), solid (graphite, graphene, molybdenum disulfide), gaseous (air) or even semisolid (grease) forms. The liquid lubricants can be classified based on the base oil to synthetic/semi-synthetic, mineral or environmentally acceptable (biodegradable) oils.
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A lubricant is a substance, usually organic, introduced to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. The property of reducing friction is known as lubricity. In addition to industrial applications, lubricants are used for many other purposes.
Common examples of
lubricants include fatty alcohols, esters (low esterification), and EVA wax. External lubricants provide metal release and help reduce process temperature. .
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