HYDRAULIC LIQUID Russian patent published in 2000 - IPC

FIELD: hydrosystems of machines and mechanisms operating near melted metal and open fire, and in hydrosystems of special machines. SUBSTANCE: liquid comprises, wt.%: water, 25-35; urethane type oligomer; glycol monoether; oleic acid, 1.0-2.0; monoethanolamine, 0.9-1.1; morpholine 0.1-0.2; benztriazole, 0.1-0.2; 2-mercaptobenzthiazole, 0.03-0.04; sodium hydroxide, 0.1- 0.3; organosilicon foam suppressor, 0.02-0.03; colorant, 0.001-0.002; ethyleneglycol, up to 100. EFFECT: fire proofness, higher corrosion resistance of constructional materials of higher lubricating properties. 2 tbl