Comparative HS code duty analysis

Engine lubricant (recommended special lubricant for automobile engines,Comparative HS code duty analysis fully protect the engine!) The car engine is the core of the vehicle, and the lubrication of the engine is the key to ensuring the long-term smooth operation and long life of the engine. And engine lubricant is one of the measures to ensure the normal operation of the engine. This article will introduce the function, characteristics, commonly used brands and purchasing suggestions of engine lubricants. I. The function of engine lubricant The main function of engine lubricant is lubrication, but it also has other functions.In addition to lubrication to reduce friction and wear, engine lubricant also has the following functions. 1. Cold start protection. In a low-temperature environment, the engine is prone to poor lubrication, resulting in difficult start-up, unstable operation and other problems. The existence of engine lubricant can avoid this situation. Through good lubrication at low temperatures, the starting efficiency can be improved and engine wear can be reduced. Two. When cleaning the cooling engine, the high-speed rotating metal parts will produce high temperature, and the engine lubricant can act as a coolant in the process, reduce the temperature, and remove the waste and impurities inside the engine to keep the engine clean. 3. The protection engine will produce friction and wear when working inside the engine, and this damage accelerates the entry of impurities such as sand and dust, resulting in more serious surface wear on the parts. Use to startThe engine lubricant can form a protective film to reduce friction and wear, and avoid the entry of waste and impurities, extending the service life of the engine. II. Engine lubricant characteristics are different according to different needs and models. Engine lubricants are different, but some of the characteristics and properties are possessed by most engine lubricants. 1. In the process of use, sticky engine lubricants often need to rub with metal for a long time, and the engine lubricant applied to shallow will be quickly squeezed out, resulting in a lack of lubrication. Therefore, engine lubricants need to have a certain degree of stickiness and can stay on the engine parts for a long time. Two. Stability The engine will produce high temperatures when working, so the engine lubricant needs to be stable enough to maintain the lubrication effect at high temperatures without decomposition or loss of performance. 3. ClearClean engine lubricant needs to have good cleanliness, remove debris in time during operation, and reduce friction and wear. III. There are many brands of commonly used brands recommended for engine lubricants, and different brands have different advantages. The following are some commonly used brands. 1. As the world's leading petroleum and energy enterprise, Shell's engine lubricants have always had a wide range of product coverage, stable quality and rich layers, which has been praised by the majority of industry users. Two. Jiashiduo Jiashiduo is a well-known engine lubricant manufacturer in China, and its products are widely used in major OEMs. Jiashiduo has rich experience in the research and development, production and sales of engine lubricants. 3. Total Total is a global energy and chemical enterprise with first-class engine lubricant performance and rich variety. DaodaEngine lubricant is not only suitable for private cars, but also for various application scenarios such as commercial vehicles. IV. Purchase suggestions When buying engine lubricants, we can choose according to the following aspects. 1. The engine lubricant of the adapted model needs to be adapted to the vehicle, otherwise it will affect the normal operation of the engine. Therefore, before buying, you should choose a suitable engine lubricant according to the car model and engine material. Two. Viscosity level The viscosity level of engine lubricant also needs to be paid attention to. The use and viscosity level of engine lubricants for different vehicles are also different. In general, the use of engine lubricants with appropriate viscosity helps to maintain the smooth operation of the engine. 3. The choice of brand is also very important. The reputable brand of engine lubricant can ensure the stability of quality and reduce maintenance costs.Conclusion The engine is the core part of the car, and the function of the engine lubricant is to protect and find the car engine safely and powerfully. When choosing engine lubricant, factors such as model adaptation, viscosity level and brand credibility need to be considered. The above brands are only a few brands introduced in this article, and consumers can make the final choice according to their own needs. Choosing a good engine lubricant can not only extend the life of the engine, but also make your driving process more stable and comfortable.

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