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High-Temp Stability: How Oil-Soluble PAG Base Oils Protect Engines
Classification: Company News
Jul 11,2025
High-Temp Stability: How Oil-Soluble PAG Base Oils Protect Engines
The breakthrough strategy for Oil-soluble PAG base oil
Polyalkylene Glycol is achieved through a unique molecular structure:
High-temperature stability at 230°C+ (far exceeding the 160°C limit of mineral oil).
Self-cleaning properties to prevent sediment generation.
Viscosity - temperature curve flattens To ensure the working condition of lubrication.
Three major high-temperature protection mechanisms
Antioxidant chain structure: The ether bond (-O-) in the PAG molecule is more heat-resistant to decomposition than the C-C bond in mineral oil, reducing the oxidation rate by over 60%.
Polar adsorption film: Actively adsorbs the metal surface to form a protective layer. Even if the oil film becomes thinner, it still effectively prevents wear (the measured boundary friction coefficient is reduced by 45%).
Enhanced heat conduction: Compared with mineral oil, the thermal conductivity of PAG base oil is increased by 20%, which can remove the heat from the top of the piston more quickly.
#PAG Base Oil #Lubricant Additive #High Temperature Protection #Extend the Engine Life
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