Grease VNIINP – 270
instrument lubricant
Description
Grease VNII NP-270 – ointment gray or black. In terms of composition, properties, especially the use of close to VNIINP-257. Characterized by using for the manufacture of liquid polysiloxane its other brand, subjected to special treatment, after which it decreases evaporation in vacuo.
Advantages
It has a low volatility, high colloidal stability, low water resistance, good extreme pressure properties. Efficient in vacuo to 10 uPa, and at a temperature of -60 … + 80 ° C.
Applications
Ball low power motors with speed up to 10,000 min-1, the bearings of electric motors and potentiometers gyroscopes. Substitute -. VNIINP-257
Specifications
| Indicator | Norm |
|---|---|
| Dropping point, ° C, min | 175 |
| Penetration at 25 ° C? 10-1mm | – |
| Viscosity at 0 ° C and 10 sec-1 Pa · s, more | 40 |
| Tensile Strength, Pa, at 20 ° C | 150 |
| Colloid stability,%, no more than | 16 |
Additional information
| Страна | |
|---|---|
| appointment | |
| State of aggregation | |
| Type (manufacturing technology) |
