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ТУ У 23.2-30802090-060:2006 Gidroil NМ-46 Oil is utilized as a working liquid for hydraulic drives, hydrotransmissions and circulating oil systems of diverse units, machines and mechanisms of industrial equipment. Guarantee period of storage – 3 years from the day of manufacture.
Index Name | Gidroil NM-46 | Kinematic viscosity, mm²/s: |
| - at 40°С | 44–50 | - at 100°С | 6–8 | Viscosity index, not less than | 100 | Acid number, mg KON/g | 0,5–0,7 | Temperature, °С: |
| - flash temperature in an open crucible, not lower than | 190 | - solidification temperature, not higher than | −28 | Colour, units of CNT, not more than: |
| - without attenuation | 3,5 | - with attenuation 15:85 | 1,0 | Ash level, %, not more than | 0,2 | Fraction of total mass, %, not more than: |
| - water | None | - mechanical impurities | None | Inclination for foaming, сm³, not more than: |
| - at 24°С | 20 | - at 94°С | 30 | - at 24°С after the test at 94°С | 20 | Tribological characteristics: |
| - scuff index, N, not less than | 400 | - critical loading, N, not less than | 921 | - welding loading, N, not less than | 1470 | - deterioration index at 20°С and at loading of 392 N, mm, not more than | 0,4 | Density at 20°С, kg/m³, not more than | 900 |
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