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All-Union State Standards 23652-79 Transmission oil ТEp-15 is utilized for lubricating cylindrical, conic and helical conic gears. Guarantee period of storage – 5 years from the day of manufacture.
Index Name | ТEp-15 | Kinematic viscosity at 100°С, mm²/s | 15,0±1 | Dynamic viscosity at minus 15°С, Pа∙s, not more than | 200 | Temperature, °С: |
| - flash temperature in an open crucible, not lower than | 185 | - solidification temperature, not higher than | −18 | Fraction of total mass, %, not more than: |
| - water | Traces | - mechanical impurities | 0,03 | - water-soluble acids and alkalis | None | Sulphur fraction of total mass, %, not less than: | 3,0 | Ash level, %, not more than | 0,3 | Active elements’ fraction of total mass at the expense of additives, %, not less than: |
| - phosphorous | 0,06 | Corrosive influence on metals | Withstands | Compatibility with UIM-1 rubber (change of volume), % | 4-10 | Tribological characteristics at (20±5)°С: |
| - deterioration index at loading of 392 N, mm,
not more than | 0,55 | Density at 20°С, kg/m³, not more than | 950 |
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