BASE OIL BLENDS HAVING UNEXPECTEDLY LOW BROOKFIELD DYNAMIC VISCOSITY AND LUBRICANT COMPOSITIONS THEREFROM

摘要

A base oil having an unexpectedly low dynamic viscosity as measured by ASTM D5133 test method comprises a blend of about 65 to 97.5 wt % of a paraffinic oil having a VI of 130 or greater, a Kv@100° C. of about 3.8 cSt or greater and a pour point of -15° C. or less and an ester of lubricating viscosity of from about 35 to about 2.5 wt %. The base oil is further characterized as free of added viscosity modifiers.