| 摘要 |
machine-building industry, more particularly mashing of metals using water-miscible lubricant coolant. SUBSTANCE: self-emulsifying oil comprises, wt %: oil 20A, 70.0-74.0; tall oil, 19.0-23.0; caustic soda, 3.5-4.5; and ethylene glycol, the balance. Self-emulsifying oil further comprises universal additive which is neutralized product of reaction of esterified mixture of di-and trimethylol urea with phosphoric acid salt in amount 4.0-10.0 wt %. EFFECT: pronounced anticorrosion and bactericidal properties of the lubricant-coolant. 4 ex |
