| 摘要 |
A novel grease composition is prepared by admixing a lubricating oil with 0.5 to 10 weight percent of a mono- or polyurea compound or mixture of mono- and/or polyurea compounds having from 1 to 8 ureido groups and having a molecular weight between about 375 to 2,500 and from 3 to 30 weight percent of an alkaline earth metal carbonate.
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