Aviation oil Ms-20

Aviation oil Ms-20 (GOST21743-76) is a solvent-refined aviation oil. It is used:

  • in piston engines of airplanes;
  • as a part of oil mixes with oils MS-8, MS-8p (in various ratios);
  • in lubrication systems of turboprop engines;
  • in the axial hinges of the helicopter propeller bushings; for greasing of motor-compressors of gas-pumping units;
  • as a base component for some motor oils and greases.

Physical and chemical indicators of MS-20 oil

Name of the indicator Norm GOST (TС)
Kinematic viscosity at 100°С, mm2/s, not less 20,5
Viscosity index, not less 80
Coking capacity, %, not more 0,29
Content of selective solvents, water-soluble acids and alkalis, mechanical impurity Absence
Temperature, °С:
flash point in the closed crucible, not less 265
pour point, °C, not more -18
Thermal Oxidative Stability by the Method of Folders 18