Quote:
Originally Posted by MikeK
.......reveals a napthenic base stock in MMO. That is a far superior lubricant than the n- and iso-paraffins that comprise standard motor oil. The halogenated solvent component facilitates penetration of the napthelenes into surfaces previously saturated with oil.
|
While napthenics make decent refrigeration oils, and are preferred in certain compressor applications, you'd be hard pressed to pass sequence tests for automotive crankcase oils with napthenic base, whereas paraffinics have a long history of success. Different products for different circumstances.