VNIINP 281 cold-resistant grease
Price of the VNIINP 281 cold-resistant grease
To learn about the price of the VNIINP 281 cold-resistant grease, please call +7 (831) 435-17-70. Our sales persons will advise you on delivery conditions and payment options.
VNIINP 281 description and characteristics
|Appearance||Soft grease, light brown to dark brown in color|
|Dropping point, °C, at least||200|
|Viscosity measured on a capillary viscometer, Pa·s, at minus 50 °C and at a mean strain rate gradient of 10 s-1, not more than||1500|
|Shear strength at 50 °C, Pa, within||200-500|
|Colloidal stability, % of released oil, not more than||15,0|
|Evaporability at 120 °C in 3 hours, %, not more than||8,5|
Because VNIINP 281 is manufactured on the basis of a mixture of synthetic hydrocarbon oils, it has good low-temperature properties, low evaporability and a weak impact on rubber parts. Thickening it with complex sodium soap provides VNIINP 281 with good lubricating properties; however, it reduces water resistance. Due to the narrow scope of application and the high cost of individual input components, it is produced in limited quantities.
VNIINP 281 scope of application
This highly specialized cold-resistant grease is intended for aggregate bearings of some planes (like IL-62). It is recommended for use in a temperature range from - 60 to 120 °C. In appearance, it is a low-grain, dark brown, almost black grease with a specific smell of burnt oil.
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