Research of the Composition Motor Oils and Cleaning Methods
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Global Scientific Publishing
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Petroleum oils are divided into basic and commodity types. Commercial oils are usually obtained by adding a composition of compounds to the base oils, i.e., substances are added that enhance the good properties of the base oils or give them important new properties. Sometimes base oils are marketable even if the compounds do not settle. For example, industrial oils. Synthetic oils are generally considered to be base oils. Base oils are divided into three types: Petroleum (mineral) oils are obtained in oil refining processes