A lubricant consisting essentially of component (a) from about 50 parts to about 99.9999 parts by weight of a perfluorinated polyether selected from the group consisting of perfluorinated polyethers having the general formula: ##STR5## where n is an integer in the range of from 10 to 60 and R is a fluorine atom or a perfluorinated alkyl group containing from 1 to 4 carbon atoms; perfluorinated pol