Grease VNIINP – 228
instrument lubricant
Description
Lubrication VNIINP 228 (TPOs 38.01438-87) – a mixture of petroleum oil and dioctyl sebacate, sodium soap complex thickened; It contains antioxidant and antiwear additives.
Advantages
- has better lubricating properties and greater operability at high temperature applications than VNIINP-223;
- Lubrication VNIINP-228 operable at a residual pressure of 13.3 Pa and a temperature of -45 … + 150 ° C.
Applications
Designed for special high-speed ball bearings with rotational speed of 60000 min-1 and plain bearings and low-power gearings. Substitute -. VNIINP-223
Specifications
| Indicator | Norm |
|---|---|
| Dropping point, ° C, min | 180 |
| Penetration at 25 ° C? 10-1mm | 320-370 |
| Viscosity at 0 ° C and 10 sec-1 Pa · s, more | 40 |
| Tensile Strength, Pa, at 20 ° C | 110 |
| Colloid stability,%, no more than | 14 |
Additional information
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