FIELD: chemistry.
SUBSTANCE: claimed invention relates to additive, added to oil, which contains weakly basic hydrotalcite, in which weakly basic hydrotalcite has composition of Mg8-xAlx(OH)y(CO3)z·mH2O, where x equals 1 or more up to 7 or less, y, z and m are positive rational numbers and z is larger than y. Claimed invention also relates to oil filter, lubricating device for machine, lubricating device for machine, containing oil filter.
EFFECT: obtaining additive, added to oil to remove acidic components.
9 cl, 9 ex, 8 dwg
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