| 摘要 |
FIELD: corrosion protection. SUBSTANCE: invention provides for protection of cutting tools used for metal- and stone-working water-soluble humates preliminarily subjected to alkalization to pH 11.0-11.5. EFFECT: prolonged service time of tools, avoided use of environmentally dangerous reagents, and improved anti-corrosion properties of lubricating fluids. 5 cl, 2 tbl
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