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Types of oils

Today, there are 3 types of motor oil:
  1. Synthetic oils. Divided into 2 types:
    • Polyalphaolefin oil (РАО);
    • Hydrocracking oil (НС);
  2. Semi-synthetic oils;
  3. Mineral oils.

Synthetic oils

In the production of synthetic oil, oil is not only refined and fractionated, but also subjected to a deep chemical processing process to produce high-quality oil. Then, the resulting oil is further improved with the help of additives, thanks to which the final product will have exceptional working properties:

  • clean engine;
  • reliable protection against wear;
  • excellent fluidity at low temperatures;
  • reliable protection at high temperatures;
  • protection of important parts of a turbocharger.

At first glance, it makes no difference how one or another base of oil of the same commodity viscosity is obtained, for example, 5W30 is not visible. But the practice of operating motor oils suggests the opposite. The most important difference lies in the thermo-oxidative stability of the oil, or, more simply, in the duration of the interservice run of the oil before it thickens. This is most clearly characterized by the diagram below.


Synthetic butter - can be divided into two types:

Fully Synthetic Polyalphaolefin Oil (Mobil 1 Flagship)

Polyalphaolefin oil is not produced from oil, but from ethylene gas. As a result of the chemical process, polyalphaolefins (PAO) are synthesized, which are the basis of this type of oil.

Synthetic Hydrocracking Oil (Mobil Super)

Hydrocracking oil is produced by deep chemical processing of mineral oil.

Semi-synthetic oil

Semi-synthetic oil is obtained by mixing mineral and synthetic oils. The main characteristics of lubricating compounds depend on the base base, and the correct balance of additives.

  • It has the best low temperature properties;
  • semi-synthetic oil prevents the accumulation of deposits inside the engine, keeping them clean;
  • semi-synthetic oils are less volatilized and have higher stability compared to mineral oils;
  • semisynthetics are more expensive than mineral oil.

If you compare semi-synthetics with synthetics, you need to highlight the following distinctive features:

  1. synthetic motor oils have a long service life, so they are changed less often;
  2. provide better protection under harsh operating conditions compared to mineral oils.