VNIINP 228 grease (OST 38.01438-87) - a mixture of petroleum oil and dioctylsebacinate, thickened with complex sodium soap; contains antioxidant and antiwear additives.
Benefits
It has better lubricating properties and greater performance at high application temperatures than VNIINP-223;
VNIINP-228 grease is efficient at a residual pressure of 13.3 Pa and a temperature of -45 ... + 150 ° С.
Application area
Designed for special high-speed ball bearings with speeds up to 60,000 rpm, plain bearings and low-power gears.
Substitute - VNIINP-223.
Specifications
| Name of indicator |
Norm |
| Drop point, ° С, not lower than |
180 |
| Penetration at 25 ° C, × 10-1mm |
320-370 |
| Viscosity at 0 ° С and 10с-1, Pa · s, not more than |
40 |
| Strength, Pa, at 20 ° С |
110 |
| Colloidal stability,%, no more than |
14 |