Grease VNINNP – 257
aviation lubricant
Description
Lubrication VNIINP-257 – mixture of silicone fluid and dioctyl sebacate, sodium soap complex thickened; It contains an antioxidant additive, and molybdenum disulfide. Lubrication VNIINP-257 is characterized as frost and for oxygen, has low water resistance. Efficient in vacuo to a re 1 Pa or lower and at a temperature of -60 … + 150 ° C. Bearings and low-power gearings, the screw connections of optical devices. Substitute -. VNIINP-258
Obalst application
Lubrication VNIINP-257 – mixture silicone fluid and dioctyl sebacate, sodium soap complex thickened; It contains an antioxidant additive, and molybdenum disulfide. It characterized as frost and for oxygen, has low water resistance. Efficient in vacuo to a re 1 Pa or lower and at a temperature of -60 … + 150 ° C. Is used in bearings and gears thin, threaded connections of optical devices. Substitute: VNII NP-258
Specifications
| Indicator | Norm |
|---|---|
| Dropping point, ° C, min | 190 |
| Penetration at 25 ° C? 10-1mm | – |
| Viscosity at 0 ° C and 10 sec-1 Pa · s, more | 35 |
| Tensile Strength, Pa, at 20 ° C | 80-100 |
| Colloid stability,%, no more than | 12 |
Additional information
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