FIELD: lubricants. SUBSTANCE: concentrate contains, wt.%: mineral oil, 15-30; product of treatment of C12-C18 fraction of vegetable oil fatty acids with diethanolamine at 130-150 C, 20-30; glycols, 5-15; polyoxyethylated alkylphenols, 01-4.0; monoethanolamine, 9-14; vegetable oil fatty acids, 2-6; boric acid. 5-9; phosphoric acid aliphatic diester, 2-10; foam breaker, 0.1-0.2; and water, the balance. EFFECT: improved anticorrosion characteristics, increased resistance to biological damage, and prolonged lifetime during operation. 4 tbl, 27 ex
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