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发动机润滑油的主要作用是为发动机内各部件提供润滑、冷却、防腐、清洁等效果,保证发动机正常运行。润滑油主要由基础油和添加剂两部分组成,按组成及生产方式可以将基础油分为矿物油和合成油两种。矿物油是通过物理蒸馏方法从地下原油中提炼而出,无法根除杂质,导致其应用环境和使用效果受限。但由于价格低廉,在市场一直占据主流地位。
The main function of the engine oil is to provide lubrication, cooling, anti-corrosion, cleaning and other effects for the various parts of the engine to ensure the normal operation of the engine. Lubricating oil is mainly composed of two parts: base oil and additive. According to the composition and production method, the base oil can be divided into two types: mineral oil and synthetic oil. Mineral oil is extracted from underground crude oil by physical distillation method and can not eliminate impurities, resulting in limited application environment and effect. However, due to low prices, the market has dominated the market.