Grease OKB 122-7
aviation lubricant
Description
Applications
Lubricant OKB-122-7 is used in the bearings of electric aircraft and jig boring machines, precision bearings, precision machinery, eletkromashinah. Composition DB-122-7 silicone fluid mixture, and a petroleum oil thickened with lithium stearate and ceresine.
Benefits
- Lubricant OKB-122-7 has a good conservation, anti-wear properties, sodostoykost satisfactory Colloidal and chemical stability;
- Lubricant OKB-122-7 multi-purpose, conservation;
- within the temperature range of -40 … + 100 ° C.
Specifications
| Indicator | Norm |
|---|---|
| Appearance | Homogeneous ointment smooth structure from light yellow to light brown in color |
| Viscosity effective, Pa · s | |
| at 50 ° C and an average strain rate gradient of 1000 s-1, at least | 1,2 |
| at -30 ° C and an average strain rate gradient of 10 s -1, not exceeding | 1800 |
| Colloid stability% of the allocated oil, no more | 10,0 |
| Tensile shear strength at 50 ° C, Pa, at least | 150 |
| Mass fraction of alkali calculated as NaOH,%, not more than | 0,03 |
| The water content | no |
| Corrosive effect on metals | withstand |
| Content of mechanical impurities | no |
| Volatility at 100 ° C for 1 hour,%, not more than | 3,5 |
