METHOD OF PREPARING OF LUBRICANT FOR DRY WIRE DRAWING Russian patent published in 1995 - IPC

FIELD: lubricant materials. SUBSTANCE: lubricant is prepared by saponification of fatty acids at heating (25-50% of stoichiometry) with a mixture of borax aqueous solution and sodium carbonate following by addition of fatty acids quantity of which to the sum of initially added quantity is 70-80% of stoichiometry. Filler containing, %: sodium sulfate 48; magnesium hydroxycarbonate 14; sodium nitrite 34, and boron nitride 4 is added to the prepared product at saponification temperature. Then product is dried, cooled and ground. EFFECT: improved method of lubricant preparing. 2 tbl