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Engine oil and the stages of conversion from a base oil to a standard oil for use in a car Engine oil is one of the basic components in the operation of the engine Engine oil is like breath for the engine and it consists of base oil + polymer additive + color and base package. In this article, we will talk about engine oil, how to produce it and standards about it, so stay with us. \ n   How to produce engine oil To produce oil, just like any other product, one must go through a series of steps. This material is first made from crude oil in Palaigshah refinery, and after it is done, it is used as a raw material for extraction. There, it is freed from the materials that are gasoline, and then the materials that are the result of refining and contain oil are added to the unit. Waxing is sent. This is done to separate paraffin and wax, and in the last step, it is sent to furfuride to obtain petroleum base oil. Additive polymer is also used to produce oil. Additive polymer or polymer additives are materials. which are used to produce a suitable and expected product; Because not all materials have the perfect characteristics to achieve a perfect product; Therefore, in order to be able to produce products, they use additives. To produce oil, both polymer additives and color and base additives are used. There are different types of oil, each of which has its own characteristics, including: Monograde motor oil The first motor oil that called monograde oil; This engine oil has a special first structure that makes it unable to increase or decrease its viscosity during temperature changes. For this reason, it is used only for a certain temperature and in a certain season. This oil model has an ancient history and in the past it was one of the few engine oils that were produced and used for engines. Oils whose SAE standard is between 0 and 30 are used in cold and low temperatures, and a person who uses this type of oil should change it with the change of season. The only drawback of monograde engine oil was that they could not use it when the season changed and it was not a suitable option for all seasons.   Multigrade engine oil This oil model is more advanced than Monogrid. Multigrade oil has no special resistance to temperature. Its structure is designed and produced so that it can be used in any season. This product increases and does not harden when the temperature is low; while its viscosity does not decrease even at high temperatures. and it is produced by combining chemicals; This product was first used for jet engines, but with mineral oils, it was used more. These oils are produced using additives including anti-rust, antioxidants, corrosion compounds and detergents. Synthetic engine oil absorbs the substances produced by burning and does not cause an oxidation reaction.   Mineral engine oil \ Mineral oil is one of the simplest oils available. This oil is used for old cars, the characteristic of mineral oil is that its ingredients are crude oil and it does not have too many additives. This oil model is mostly used for lubrication.   base oil and standard oil for car consumption for design The production and use of oil should proceed according to the standards. SAE standard which stands for Society of Automotive Engineers. This standard includes a number between zero and sixty, in which sometimes the letter W is used. The SAE standard determines how much its viscosity should be. In this standard, the number zero indicates the lower viscosity limit, so that the oil flows easily and by moving to 60, the viscosity becomes more and more. As mentioned, the letter W is also used in this standard, which indicates the lowest viscosity number in winter. The engine oils that are produced must be standardized and usable; So that a base oil cannot be produced without a standard and reach the consumer. It should be noted that all items for the production of motor oils and industrial diesel from zero to one hundred with formulations in Oil Pasargad Trading available.