Grease composition

Details Grease composition Grease composition

C - Chemistry, Metallurgy

10

M

253/28

C10M 117/02 (2006.01) C10M 107/10 (2006.01) C10M 169/02 (2006.01)

Patent

CA 1288410

ABSTRACT OF THE DISCLOSURE The present invention is directed at a grease composition comprising: A. an oil component having between about 30 and 90 wt.% of a synthetic fluid having a viscosity of at least 50 cSt at 40°C and from about 70 to about 10 wt.% of a mineral oil having a pour point below -20°C; and B. a thickener. The oil component of the grease composition more preferably comprises between about 40 and about 80 wt.% synthetic oil and preferably from 60 to 20 wt.% mineral oil. The viscosity of the synthetic oil preferably is at least 50 cSt, more preferably at least 100 cSt at 40°C. The synthetic oil preferably is selected from polyolefins, esters, polyesters, high VI isoparaffins, and mixtures thereof, with polyalphaolefins being particularly preferred. The polyalphaolefins preferably comprise C8 to C12 monoalphaolefin building blocks.

541569

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