VNIINP-257 grease (GOST 16105-70) - a mixture of organosilicon liquid and dioctylsebacinate, thickened with complex sodium soap; contains antioxidant additive and molybdenum disulfide. It is characterized as frost and oxygen resistant, has low water resistance. It is efficient in vacuum up to 1 μPa and lower and at a temperature of -60 ... + 150 ° С. VNIINP-257 grease is used in bearings and low-power gears, threaded connections of optical devices.
Replace VNIINP-257 with grease - VNIINP-258.
Application area
Bearings and low-power gears, threaded connections of optical instruments.
Frost and oxygen resistant; low water resistance. It is efficient in vacuum up to 1 μPa and lower and at temperatures from -60 ° C to 150 ° C.
Specifications
| Name of indicator |
Norn |
| Drop point, ° С, not lower than |
190 |
| Viscosity at 0 ° С and 10с-1, Pa · s, not more than |
35 |
| Strength, Pa, at 20 ° С |
80-100 |
| Colloidal stability,%, no more than |
12 |