LUBRICATING OIL COMPOSITION

摘要: PURPOSE:To obtain the title compsn. which is excellent in infiltrability into sliding faces, conformability, oil shortage preventing effect, heat resistance and chemical resistance, by adding a particular organosiloxane to hydrocarbon lubricating oil. CONSTITUTION:A (A) comprising as base mineral oil, an olefinic polymer synthetic or of condensate from chloroparaffin arom. ring blended with (B) having both polyfluoroalkyl group 5-22C long-chain alkyl group, fluorine content 1-50wt.%, groups contg. 30-80wt.% SiO2 50wt.% below, B Awt. ratio 0.05-99.0/99.95-1.0, pref. 0.1-20/99.9-80, optional components (C) such viscosity index improver, pour point depressant, antioxidant, detergent-dispersant.