Grease VNIINP – 231
heat-resistant grease
Description
Lubrication VNIINP-231 silicone fluid, thickened with carbon black (soot) DG-100.
Applications
is used in a closed worm-screw mechanism, slow rolling and sliding bearings, threaded joints. According to the properties it occupies an intermediate position between the semi-fluid greases and pastes. Frost. Efficient at a residual pressure of 666.5 Pa and a temperature of -60 … + 250 ° C. Substitute: VNIINP-246
.
Specifications
| Indicator | Norm |
|---|---|
| Appearance | Homogeneous ointment of black color |
| Colloidal stability 3H load in% recovered oil, not more than | 7,5 |
| Penetration at 25? C, 0.1 mm | is not normalized |
| Strength at 80? C, Pa, not less than | 150 |
| Viscosity effective at 50? C on the average strain rate gradient of 10 s-1 Pa? S, max | 400 |
| corrosion effect on metals (steel ST45) | The Braves |
| The content of water,%, no more than | 0,12 |
| Evaporation at 200? C,%, no more than | 5,0 |
The warranty period of storage in the manufacturer’s packaging – 3 years
.
Additional information
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