Grease VNII NP-261 Sapphire
aviation lubricant
Description
Applications
Grease VNII NP-261 Sapphire (TU 38.1011051-87) – Aviation Grease
.
Scope grease VNIINP-261 – Grease Sapphire is used in the tapered roller wheel bearings chassis aircrafts
.
Advantages
- high heat resistance, mechanical and oxidation stability.
- within the temperature range of -40 … + 150 ° C, briefly to + 200 ° C.
Specifications
| Indicator | Norm |
|---|---|
| Appearance and color | The smooth ointment from blue-gray to black. Allowed a greenish tint. |
| Dropping point, ° C, min | 250 |
| Viscosity effective, Pa.s at -40 ° C, not more than | 3000 |
| Tensile Strength, Pa, at 50 ° C | 300-800 |
| Colloid stability,% of the allocated oil, no more | 10 |
| Corrosive effect on metals | withstand |
| Volatility at 150 ° C,% 1 hr., No more than | 3,0 |
| The water content | no |
Additional information
| Страна | |
|---|---|
| appointment | |
| State of aggregation | |
| Type (manufacturing technology) |
