VNII NP-279All- Union State Standard 14296-78Lubricant VNII NP-279 is intended for greasing friction units operating in contact with aggressive media at temperatures ranges from minus 50 ° C up to 50 ° C and air at temperatures ranges from minus 50 ° C up to 150 ° C.Guarantee period of storage - 5 years from the day of manufacture.Table 118
| Index name |
VNII NP-279 |
| Appearance |
Bright homogeneous transparent ointment of smooth structure |
| Efficient viscosity at 30°С and at the average gradient of the strain rate of 10 s−1, not more than |
2300 |
| Colloid stability, % of the secreted oil, not more than |
5,2 |
| Corrosive influence on metals |
Withstands |
| Proof strength at 50°С, Pа, not less than |
100 |
| Presence of mechanical impurities (number of particles in 1 ml of grease): |
|
| - Diameter of 0,025-0,075 mm, not more than |
0,010 |
| - Diameter of more than 0,075 mm |
None |
| Water presence |
None |
|
