VNIINP-231 grease is an organosilicon fluid thickened with technical carbon (soot) DG-100
Application area
It is used in closed worm-screw mechanisms, low-speed rolling and sliding bearings, threaded joints. According to its properties, it occupies an intermediate position between lubricants and semi-fluid pastes. Frost resistant. It is efficient at a residual pressure of 666.5 Pa and a temperature of -60 ... + 250 ° C.
Substitute - VNIINP-246.
Specifications
| Name of indicator |
Norm |
| Colloidal stability at a load of 3N in% of extracted oil, not more than |
7.5 |
| Penetration at 25ºС, 0.1 mm |
Not standardized |
| Strength at 80ºС, Pa, not less than |
150 |
| Effective viscosity at 50ºС on average strain rate gradient 10 s-1, Pa´s, not more than |
400 |
| Corrosion on metals (steel St45) |
witstands |
| Water content,%, not more than |
0,12 |
| Evaporation at 200ºС,%, no more than |
5,0 |