Only in this case

-aromatic;

-paraffin;

-Naphthenial.

The difference between them is associated with the structure of hydrocarbons that make up. For production, paraffin basic compositions are more often used. They are favorably different from others in viscosity, temperature. Oxidizing properties «guarantees» the sulfur part of the material. Its content in raw materials should not exceed 1%. Only in this case the engine will be subject to the smallest wear.