[EN] WATER-GLYCOL HYDRAULIC FLUID COMPOSITION AND SUPPLEMENTARY ADDITIVE THEREFOR<br/>[FR] COMPOSITION DE FLUIDE HYDRAULIQUE À BASE D'EAU ET DE GLYCOL ET ADDITIF SUPPLÉMENTAIRE POUR CELLE-CI
申请人:SHELL INT RESEARCH
公开号:WO2021198478A1
公开(公告)日:2021-10-07
The present invention provides a water-glycol hydraulic fluid composition comprising an alkanolamine compound according to the general formula (1), wherein the water-glycol hydraulic fluid composition comprises 20-60% by mass water, 20-60% by mass glycol, 0.6-1.2% by mass fatty acid lubricant, and 0.01-0.06% by mass alkaline hydroxide compound selected from potassium hydroxide and/or sodium hydroxide, and has an alkali reserve of 10-25, wherein R1 and R2 are hydrocarbon groups having from 1 to 8 carbon atoms, and R3 is a hydrocarbon group having 2 or more carbon atoms.