Grease VNIINP – 271
instrument lubricant
Description
Grease VNII NP-271 – a highly specialized cold-resistant grease. It is a soft cream beige. Some parties lubrication VNIINP-271 may have a purple hue. The lubricant provides low friction rolling bearings moments at temperatures up to -50 ° C.
Applications
recommended for use in friction electrical machines at temperatures from -60 to 120 ° C.
Due to manufacturing synthetic oil ester type and the presence of anti-wear additive may be used in roller bearings with high contact load, including bearings gyroscopes.
Grease VNIINP-271 is also used in an optical instrument, for example for greasing speed elements for curtain shutter camera, but only the nodes that are isolated from the optical components.
Advantages
- Briefly operable in pairs friction-titanium bronze at loads of up to 36 MPa (360 kgf /cm2);
- In view of the toxicity of tricresyl phosphate, which is part of the lubricant when working with it is necessary to strictly observe the safety rules.
Specifications
| Indicator | Norm |
|---|---|
| Dropping point, ° C, min | 170 |
| Penetration at 25 ° C? 10-1mm | 310-340 |
| Viscosity at 0 ° C and 10 sec-1 Pa · s, more | 75 |
| Tensile Strength, Pa, at 20 ° C | 100-200 |
| Colloid stability,%, no more than | 35 |
Additional information
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