HYDRAULIC FLUID Russian patent published in 2004 - IPC

FIELD: special-destination fluids.

SUBSTANCE: hydraulic fluid for use, in particular, in fluid power systems of jet molding machines contains, wt %: glycol 25-40, thickener 14-18, sodium hydroxide 0.2-0.3, oleic acid 0.1-2.5, benzoic acid 0.5-0.9, 2-mercaptobenzothiazole 0.05-0.06, distilled tallow oil 0.1-2.5, alkanolamine 0.5-1.5, morpholine 1.5-2.5, butyl cellosolve 4.5-5.5, interaction product of o-phenylenediamine with sodium nitrite and benzoic acid i ethylene glycol 0.5-1.5, foam suppressor 0.01-0.04, dye 0.0025-0.0035, and water - the balance.

EFFECT: improved antiwear and anticorrosive properties.

4 tbl, 17 ex