Grease VNIINP – 219
heat-resistant grease
Description
Applications
Lubrication VNIINP-219 lubricates the bearings of electric motors and starter-generators with increased loads and rotational speed to 9000 min-1, ballscrews aircraft. The temperature range of -50 … + 200 ° C. VNIINP-219 grease composition similar to Lubricant VNIINP-207, but unlike it comprises molybdenum disulfide.
Specifications
| Indicator | Norm |
| Appearance | Homogeneous soft ointment from dark gray to black in color |
| Viscosity at -30 ° C and an average strain rate gradient 10c-1 | 2,0 |
| Colloidal stability,% by weight, not more than | 7,0 |
| Water content,% wt. | no |
| Mass fraction of free alkali,%, no more than | 0,08 |
| Dropping point, ° C, min | 200 |
| Penetration at 25 ° C, 0.1 mm | 280-360 |
| Content of mechanical impurities,% | The lack |
| Corrosion test | does not form a green, TM-gray, brown or black spots |
| Tensile strength at 50 ° C, Pa, at least | 120 |
| Viscosity effective at -50 ° C, Pa-s, more | 800 |
Additional information
| Страна | |
|---|---|
| appointment | |
| State of aggregation | |
| Type (manufacturing technology) |
