FIELD: chemistry.
SUBSTANCE: grease can be used in machine components and mechanisms, which work in conditions of aggressive media at temperature ranging from minus 30 to plus 250°C. The grease contains, wt %: lithium soap of 12-hydroxy-stearic acid 10 to 18, polytetrafluoroethylene 3 to 5, liquid polysiloxane 18 to 25, diphenylamine 0.1 to 0.5, copper stearate and acetate suspension in castor oil in ratio of 1:1:3-1:2:4 0.2 to 3.1, transformer oil from 30 to 50, industrial oil - the rest.
EFFECT: higher dropping point and values of tearing and sealing loads, as well as reduced thermo-hardening.
1 tbl, 4 ex
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Authors
Dates
2009-11-20—Published
2008-07-31—Filed