M-10G2CS
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Mineral motor oil is intended for lubrication of medium and high-pressure main and auxiliary diesel engines of marine transport vessels, industrial and river fleets, as well as in other ship units and mechanisms where oil of the appropriate viscosity is required.
It is also used in highly boosted circulation systems and low-speed crosshead diesels with a high degree of boost, for lubricator systems for lubricating the cylinders of low-speed diesel engines.
It has good moisture resistance, high demulsifying properties, easily separates water during separation, has good washing and dispersing properties even when using fuel with a high sulfur content, has high anti-oxidation, anti-corrosion and anti-wear characteristics.
M-10G2CS oil corresponds to SAE 30 in terms of viscosity, and corresponds to API class SS in terms of operational characteristics.
Physicochemical characteristics
| Index | Norm |
| SAE Compliance | 30 |
| API Compliance | CC |
| Kinematic viscosity at 100°C, mm2/s | 10,0-11,0 |
| Viscosity index, not less than | 92 |
| Flash point in an open crucible, °C | 210 |
| Pour point, °C | – 10 |
| Density at 20°C, kg/m3 | 910 |
| Base number, mg KOH per 1 g of oil, not less than | 9,0 |
| Content of mechanical impurities, % not more than | 0,01 |
| Mass fraction of water, % no more than | traces |
| Sulfate ash content,% wt. | 1,5 |
| Mass fraction of active elements, % not less | |
| – mass fraction of Ca, not less than | 0,28 |
| – mass fraction of Zn, not less than | 0,045 |
| – mass fraction of P, not less than | 0,04 |
| Tribological characteristics at a temperature of 20±5°C: | |
| – scuff index, kgf | 34 |
| – critical load, N, not less than | 823 |
| – wear rate at constant load 196 N, mm, no more than | 0,4 |
| Corrosion on lead plates, g/m2, % no more | absent |
| Degree of purity, mg/100g oil, no more than | 600 |
