FIELD: lubricants.
SUBSTANCE: invention relates to lubricating compositions used in heavy-duty friction units of machines and mechanisms and provides composition containing 0.1-0.5% superdispersed powder of modified carbon black and lubricating material to 100%. Carbon black utilized is a mixture of carbon with zinc sulfide (ZnS) wherein content of the latter does not exceed 2%, tin sulfide (SnS), no more than 0.3%, and magnesium carbonate (MgCO3), no more than 0.5%.
EFFECT: improved antiwear and antifriction characteristics of lubricating materials allowing prolonged lifetime of friction units.
2 tbl
Title | Year | Author | Number |
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PLASTIC LUBRICANT | 1999 |
|
RU2163921C2 |
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METAL-COATING ADDITIVE FOR LUBRICANT MATERIALS | 2012 |
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RU2556111C1 |
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|
SU1770350A1 |
Authors
Dates
2007-07-20—Published
2006-03-09—Filed