Demulsibility or Water Separation Hydraulic Fluid

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Demulsibility or Water Separation Hydraulic Fluid

Demulsibility or water separation: Water that enters a hydraulic system can emulsify and promote the collection of dust, grit, and dirt, and this can adversely affect the operation of valves, servos, and pumps, increase wear and corrosion, promote fluid oxidation, deplete additives, and plug filters. Highly refined mineral oils permit water to separate or demulsify readily. However, some additives such as antirust treatments actually promote emulsion formation to prevent separated water from settling and breaking through the antirust film.

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