LUBRICATING GREASE COMPOSITION

The present invention provides a lubricating grease composition that suppresses the degradation of a polyamide resin member particularly in a high-temperature usage environment while maintaining excellent low-temperature characteristics, and that can maintain breaking elongation at a high level with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAWAGUCHI, WATARU, INAI, MOTOYUKI, SHINOZAKI, AKIRA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	The present invention provides a lubricating grease composition that suppresses the degradation of a polyamide resin member particularly in a high-temperature usage environment while maintaining excellent low-temperature characteristics, and that can maintain breaking elongation at a high level with almost no reduction thereof. This lubricating grease composition for polyamide resin members is a lubricating grease composition for polyamide resin members that is used by being supplied as a lubricant to a surface of at least a sliding part of a polyamide resin member wherein said sliding part slides against another member, the lubricating grease composition comprising: a base oil which is a synthetic hydrocarbon oil; and a thickener which is a metal composite soap comprising a barium composite soap and/or a lithium composite soap. The base oil has a kinematic viscosity within the range of from 30 to 200 mm2/s at 40°C, and the thickener has a dropping point of 270°C or higher.