Grease for a slide contact

摘要

The present invention provides a grease for a slide contact which comprises 100 parts by weight of a synthetic base oil which contains synthetic poly- alpha -olefin oil mixture as a main ingredient consisting of synthetic poly- alpha -olefin oil having a low viscosity of from 8 to 30 cSt (40 DEG C.) and synthetic poly- alpha -olefin oil having a high viscosity of 470 cSt (40 DEG C.), 0.1-10 parts by weight of fine particulate clay mineral having micropores and/or fine particulate clay mineral structure having monolayers capable of intercalating water or anions, 5-25 parts by weight of thickener consisting of 12-hydroxy lithium stearate and lithium stearate in a weight ratio of from 20:1 to 5: 1, and 0.1-2.0 parts by weight of a phenolic primary antioxidant. The grease according to the present invention is particularly suitable as a grease for a slide contact of the sliding switch of vehicles such as an automobile.