FIELD: machining metals. SUBSTANCE: concentrate comprises, mas. %: glycols, 10-50; higher fatty acids, 10-55; triethanol amine, 15-60; salt of cyclohexylamine and synthetic fatty acids of $$$ fraction, 15-60. Water and foam suppressor may be added into proposed concentrate (their quantities being 4-40 mass % and 0.05-0.15 mass % respectively) to simplify preparation of aqueous solution of desired concentrate and to increase convenience of its storage and transportation. EFFECT: increased resistance of cutter; improved quality thus treated surface. 2 cl
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