Lubrication - VNIINP 281 refers to anti-friction aviation lubricants and is used to process the starter-generators of some aircraft models and bearings of aircraft generators. In addition, VNIINP 281 has found application in bearings of other electric motors. In composition, it is a mixture of isoparaffin oil and sodium components. Outwardly, it is a saturated black grease.
Application area
VNIINP-281 grease aviation grease, antifriction plastic frost-resistant grease is used for bearings of electric motors. It is efficient at temperatures from -60 ° C to +120 ° C.
Specifications
| Name of indicator |
Norm |
| Appearance and color |
Uniform, soft, ointment, smooth structure, black. |
| Drop point, ° С, not less than |
200 |
| Viscosity determined on a capillary viscometer, Pa.s (P), at -50 ° C and average strain rate gradient of 10s-1, not more than |
1500 |
| Strength, Pa (gf / cm2), at 50 ° С |
200-500 |
| Colloidal stability,% of extracted oil, not more than |
15,0 |