Universal antifriction grease VNIINP-284 "Amethyst" is a perfluoropolyether, thickened with polymer, with the addition of additives.
Application area
Designed for continuous operation in ball and roller bearings, plain bearings, gear and screw gears in the temperature range from -110 ° C to +200 ° C. The lubricant is characterized by increased resistance to various aggressive environments, does not cause swelling of rubber of various grades and can be used for a long time in contact with rubber products. It can work in a deep vacuum for more than 20,000 hours.
Specifications
| Name of indicator |
Norm |
| Appearance |
Homogeneous ointment of smooth structure from white to light gray |
| Viscosity at -50⁰С and average strain rate gradient 10 sec⁻¹, in Pa • s no more than |
500 |
| The content of mechanical impurities in%, with a diameter of more than 0.075 mm |
no |
| Evaporation at 200 ° C for 1 hour, in% Not more than |
8,0 |
| Colloidal stability in% of extracted oil Not more than |
20,0 |
| Shear strength at a temperature of 50 ° C in Pa |
150-350 |