Grease composition and direct-acting devices with the grease composition

A grease composition comprising both a poly-alpha-olefin exhibiting a kinematic viscosity of 60 to 320 mm2/s at 40 DEG C and a thickening agent, wherein the poly-alpha-olefin is contained in an amount of 50 mass% or above based on the whole composition and the thickening agent is a lithium salt of a...

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Bibliographische Detailangaben
Hauptverfasser:	FUJINAKA KENSAKU, HARA SHIGEO, KITANO HIROYUKI, YOSHIMURA HIRONORI, FUJINAMI YUKITOSHI, OHARA YASUSHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CHEMISTRY ENGINEERING ELEMENTS AND UNITS FUELS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MECHANICAL ENGINEERING METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE THERMAL INSULATION IN GENERAL USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION WEAPONS
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Beschreibung
Zusammenfassung:	A grease composition comprising both a poly-alpha-olefin exhibiting a kinematic viscosity of 60 to 320 mm2/s at 40 DEG C and a thickening agent, wherein the poly-alpha-olefin is contained in an amount of 50 mass% or above based on the whole composition and the thickening agent is a lithium salt of a hydroxyl-free fatty acid having 10 to 22 carbon atoms. The grease composition further contains an ashless dithiocarbamate and/or zinc dithiocarbamate in an amount of 0.1 to 1.5 mass% in terms of sulfur and based on the whole composition. The grease composition has a phosphorus content of 0.05 mass% or below based on the whole composition and a worked penetration of 265 to 310.