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The influence of synthetic esters on the low-temperature fluidity and energy-saving performance of engine oil
Classification: Company News
Dec 22,2025
The influence of synthetic esters on the low-temperature fluidity and energy-saving performance of engine oil
Under low-temperature conditions, the fluidity of engine oil directly determines whether the cold start is smooth and the initial wear level of the engine's key components.
Synthetic ester molecules have regular structures and strong polarity, and possess the following characteristics:
Low pour point and excellent viscosity-temperature performance: Synthetic esters are not prone to crystallization at low temperatures, which can significantly reduce the pour point of engine oil and improve its low-temperature pumpability.
Rapid forming oil film: even in the low temperature starting moment, synthetic ester also can rapid adsorption on metal surface, reduce dry friction.
Improve low temperature start protection: effectively reduce the cold start wear and prolong the service life of the engine.
Therefore, in low-viscosity engine oils such as 0W and 5W, synthetic esters are often used as key synergistic base oils to meet the demanding low-temperature performance requirements.
The advantages of synthetic esters in energy conservation are mainly reflected in the following aspects：
Reduce internal friction loss: The excellent lubricity of synthetic esters can reduce the resistance of engine operation, thereby lowering fuel consumption.
Support low viscosity formula design: on the premise of guarantee the oil film strength, synthetic ester help develop more low viscosity engine oil, achieve energy saving effect.
To enhance general formula stability: synthetic ester good oxidation resistance and thermal stability, help maintain product performance, avoid viscosity abnormal growth of energy consumption is rising.
Research and practical application show that the reasonable introduction of synthetic ester engine oil can improve fuel economy by 1% to 3% while meeting OEM standards, which has a positive significance for vehicle energy conservation.
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