FIELD: lubricants. SUBSTANCE: lubricating oil intended for stable functioning of parts and mechanisms comprising steel-steel friction couples is based on liquid polyethylsiloxanes (65-85%) with molecular weight 500-100 and viscosity 40-50 sq.mm/s and containing 14.25-33.25% poly-alpha-olefins with average degree of oligomerization 7-8 and molecular weight 900-1200 and 0.75-1.75% dioctyl sebacate. EFFECT: lowered freezing temperature and improved lubrication property. 5 tbl, 5 ex
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