Grease compositions

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 169/00 (2006.01) C10M 169/02 (2006.01)

Patent

CA 2658270

A grease composition is provided that exhibits good low temperature torque and low oil separation. The grease comprises a base oil having a VI greater than about 120, a pour point below about -20°C wherein the base oil contains about 10 wt% to about 100 wt% of a gas to liquid base stock and from 0 wt% to about 90 wt% of a polyalphaolefin fluid.

La présente invention concerne une composition à base de graisse présentant un bon couple à basse température et une faible séparation d'huile. La graisse comporte une huile de base présentant un indice de viscosité supérieur à environ 120, un point d'écoulement inférieur à -20°C ; ladite huile de base contenant environ 10% en poids à environ 100% en poids d'une huile de base de gaz en liquide et de 0% en poids à environ 90% en poids d'un fluide de polyalphaoléfine.

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