GREASE COMPOSITION, AND METHOD FOR LUBRICATING SLIDING PART USING SAID GREASE COMPOSITION
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United States of America Patent
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Issued Date -
Feb 22, 2024
app pub date -
Sep 21, 2021
filing date -
Dec 11, 2020
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Abstract
An object of the invention is to provide a grease composition that does not deteriorate resin, particularly, acetal resin, in contact therewith even under a high temperature condition. The object can be attained by a grease composition for resin, including (A) a lubricating base oil, (B) a thickener, and (C) at least one selected from the group consisting of an organic molybdenum compound and a sulfur-based extreme pressure agent, wherein when the grease composition includes the sulfur-based extreme pressure agent, a content of the sulfur-based extreme pressure agent is from 0.05 mass % to 2.5 mass % based on a total amount of the composition, and the grease composition is substantially free of zinc dialkyldithiophosphate.
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