At a defined temperature a liquid become semisolid and doesn't easily flow: this is the pour point. This is important to establish the temperature range in which this material can be used.
The definition of pour point is the lowest temperature at which a liquid begins to turn into a solid, so much so that it can no longer flow.
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point of application of force is the spot where the force is being applied.
The "Pour Point" of engine oil is about -44ºF.
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The pour point is the lowest temperature at which the fuel will flow. Pour point depressant will allow fuel to be used at a lower temperature without problems. Fuel oil must be pumped before it is used and if the viscosity is too high the oil will not flow easily. Pour point depressant might also allow fuel oil to be stored at a lower temperature thus saving some energy that would normally be used to keep it above its pour point. The chemical names of fuel additives are often proprietary and kept a secret, however see the related links for a discussion of pour point depressants.
The pour point test determines the lowest temperature at which a substance will flow or be able to flow. This is important for understanding how a substance will behave in cold temperatures, such as in transportation and storage of petroleum products. Knowing the pour point helps prevent issues such as pipeline blockages or difficulties in starting engines in cold climates.
It varies with the oils viscosity.
At a defined temperature a lubricant become semisolid and doesn't easily flow: this is the pour point. This is important to establish the temperature range in which this lubricant can be used.
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Flash point is the temperature at which a combustible material begins to give off enough vapors that it can be ignited with a spark. Pour point is the temperature at which a viscous fluid will flow easily, primarily used to indicate the ability to pump the fluid.