When temperatures drop, these paraffin molecules begin to bond together, forming a crystalline structure. In engines, semi-solid oil fails to lubricate moving parts, resulting in increased friction and wear.
Prevent Flow Restriction Additives for Cold Weather Oil Gelling
Viscosity increases dramatically as the temperature drops, impacting efficiency. Pour point is usually a few degrees higher than the temperature at which the oil begins to solidify.
This process is what typically leads to the thickening or solidification we associate with oil freezing, even if the material is technically still in a semi-liquid state. Multi-grade oils, such as 10W-30, are formulated to handle temperature extremes.
Additives to Prevent Flow Restriction from Paraffin Wax Gel
Paraffins, which are waxy hydrocarbons, are often the main culprit in causing oil to gel. This balancing act ensures that the oil remains fluid when starting in winter and stable when running in summer.
More About Freezing point of oil
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More perspective on Freezing point of oil can make the topic easier to follow by connecting earlier points with a few simple takeaways.
