ОКB-122-7All- Union State Standard 18179-72OKB-122-7 grease is used in ball bearings and other friction in the temperature range from minus 60 ° C up to 120 ° C.Guarantee period of storage – 5 years from the day of manufacture.Table 128
| Index name |
ОКB-122-7 |
| Appearance |
Homogeneous ointment of smooth structure from light-yellow to light –brown colour |
| Viscosity, Pa·s: |
|
| - at 50°С and at the average gradient of the strain rate of 1000 s−1 |
1,2 |
| - at minus 30°С and at the average gradient of the strain rate of 10 s−1 |
1800 |
| Proof strength at 50°С, Pа, not less than |
150 |
| Colloid stability, % of the secreted oil, not more than |
10 |
| Corrosive influence on metals |
Withstands |
| Fraction of total mass: |
|
| - mechanical impurities, %, not more than |
None |
| - Water, %, not more than |
None |
- free alkali re-calculated into NaOH, %,
not more than |
0,03 |
Evaporation at 100°С within 1 hour, %,
not more than |
3,5 |
|
