LUBRICATING FLUID CONCENTRATE Russian patent published in 2005 - IPC

FIELD: lubricants.

SUBSTANCE: invention relates to lubricating fluid compositions appropriate for use in mechanical engineering, in particular in forming and welding of metallic pipes, in injection casting of nonferrous metals and reduction of pipes as well as in polishing operations and edge cutting machining of various-type steels. Concentrate contains, wt %: fatty acid 0.2-1.9, nonionic surfactant 5.0-10.0 or anionic surfactant 3.5-10.0, alkali metal or alkali-earth metal hydroxide 0.3-1.0, sulfonic acid salt 5.0-11.5 or 16.0-25.0, naphthenic acid soap and/or fatty acid ester 1.0-8.9. bactericidal agent 0.1-3.0, and mineral oil to 100%.

EFFECT: improved detergent power with other performance characteristics, such as low corrosiveness, high emulsion stability, and resistance against biological damage, preserved.

1 tbl, 35 ex