VNII NP-231
Grease VNII NP-231
TU 38.1011220-89
Product description:
Grease VNII NP-231 is lubricated by thickening an organosilicon liquid with carbon black. According to its properties, it occupies an intermediate position between lubricants and semi-fluid pastes. The grease is characterized by high heat resistance, frost resistance, good extreme pressure properties.
Application:
The grease is used for closed worm-screw mechanisms, low-speed rolling and sliding bearings. It is efficient at a residual pressure of 666.5 Pa and at temperature from - 60°C to + 250°C.
Characteristics of the grease:
|
Appearance |
Homogeneous black ointment |
|
Viscosity, Pa · s: - At 50°С and average strain rate gradient 1000 s-1, not less than - At -50°C and medium speed gradient deformations 10s-1, not more than |
1,0
400 |
|
Strength limit at 80°С, Pa, not less |
150 |
|
Colloidal stability at a load of 3 N, % of extracted oil, not more than |
7,5 |
|
Evaporation at 200°С, %, not more than |
5,0 |
|
Corrosive action on metals |
Endures |
|
Water content, %, not more than |
0,12 |
|
Penetration at 25°С, mm, 10 s-1 |
Not rationed |
Warranty period of storage is 5 years from the date of manufacture.
Packing:
The can is 1,0 kg.