Specialty Oils

Circulating Oil

Gear Oil GP

Phillips 66® Circulating Oil is a high-quality, rust-inhibited mineral oil specially developed for the lubrication of conveyor and crusher bearings in copper crushing mills.

Circulating Oil


• Excellent water-separating properties to minimize the formation of emulsions

• Good oxidation resistance

• Protects against rust and corrosion

• Good foam resistance


• Ball mills, cement mills, hot and cold strip mills, plate mills

• Conveyor bearings in mining applications

• Plain and rolling-element bearings in ferrous and non-ferrous mills

• Circulating systems where water contamination is a problem

• Large, slow-speed bearings in mixers and mills