VNIINP 261 grease Sapphire (TU 38.1011051-87) - aviation grease. Main operational characteristics: high heat resistance, mechanical and antioxidant
VNIINP-261 grease Sapphire (TU 38.1011051-87) - aviation grease. Main operational characteristics: high heat resistance, mechanical and antioxidant stability. It is efficient at a temperature of -40 ... + 150 ° С, for a short time up to + 200 ° С. Scope of greasing VNIINP-261 - Sapphire grease is used in tapered roller bearings of the wheel hubs of aircraft chassis.
Application area
Sapphire grease is used in tapered roller bearings of aircraft wheel hubs.
Benefits
high heat resistance, mechanical and antioxidant stability.
It is efficient at a temperature of -40 ... + 150 ° С, for a short time up to + 200 ° С.
Specifications
| Name of indicator |
Norm |
Appearance and color
|
Smooth ointment from blue-gray to black. Greenish tint allowed |
| Drop point, ° С, not less than |
250 |
| Effective viscosity, Pa.s, at -40 ° С, no more than |
3000 |
| Strength, Pa, at 50 ° С |
300-800 |
| Colloidal stability,% of extracted oil, not more than |
10 |