Use of Synthetic Lubricants in Multigrade Motor Oils 740118

The use of several different synthetic lubricants in the formulation of multigrade motor oils is examined from the point of view of their physical and chemical characteristics and their commercial suitability.
The influence of synthetic lubricant bases upon some of the performance characteristics of conventional additives has been considered.
Engine test results using an SAE 10W/50 oil containing an ester base are compared with the performance of a similar SAE grade motor oil based upon mineral oil alone.


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