Base stock and additive combinations were evaluated in the Cold Cranking Simulator (CCS) to determine their effects upon the viscosity of crankcase lubricants at 0 F. The interaction of polymeric additives with base stock wax was defined, and the role of base stock V.I. in cold cranking, ascertained. These factors were found to govern optimum selection of base stocks and polymeric additives in formulating multigrade crankcase oils.Base stock and additive combinations were evaluated in the Cold Cranking Simulator (CCS) to determine their effects upon the viscosity of crankcase lubricants at 0 F. The interaction of polymeric additives with base stock wax was defined, and the role of base stock V.I. in cold cranking, ascertained. These factors were found to govern optimum selection of base stocks and polymeric additives in formulating multigrade crankcase oils.Base stock and additive combinations were evaluated in the Cold Cranking Simulator (CCS) to determine their effects upon the viscosity of crankcase lubricants at 0 F. The interaction of polymeric additives with base stock wax was defined, and the role of base stock V.I. in cold cranking, ascertained. These factors were found to govern optimum selection of base stocks and polymeric additives in formulating multigrade crankcase oils.


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    Title :

    Effects of Base Stock and Additive Components on the Viscosity of Crankcase Oils at 0 F


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1968 Automotive Engineering Congress and Exposition ; 1968



    Publication date :

    1968-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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