Advanced materials HS code classification

Car engine cleaning is Advanced materials HS code classificationan important part of the car repair and maintenance process. With the use of the vehicle, there will be more and more carbon accumulation inside the engine, which will affect the performance and life of the engine.Therefore, regular engine cleaning can help maintain the health of the engine, extend its service life, and improve its performance and fuel economy. I. Why do we need to clean the engine? The engine is the core component of the car and is responsible for providing power. The combustion process of the engine will produce a series of chemical reactions, generating a large amount of waste gas, carbon and other substances, forming dirt, which has an adverse impact on the engine. Carbon accumulation will make it difficult to cool, increase fuel consumption and exhaust emissions. If the engine is not cleaned in time, the carbon will continue to accumulate and accumulate, resulting in incomplete combustion of the engine, explosion and other problems, which in turn affects the operation and life of the engine. In addition, some reducers, protective agents, gasoline additives and other products are added improperly or the purchased gasoline contains too much iron, oxides and other metal components, which is easy to form carbon accumulation.These exhaust gases and carbon accumulation further affect the performance of the engine and improve the consumption of car owners. Therefore, cleaning the engine becomes very important, which can improve its performance and service life. II. Engine cleaning method 1. Chemical cleaning method The chemical cleaning method loosens the carbon by adding a special detergent, and then rinses out the carbon through a low-pressure water gun. This method does little damage to the engine, is simple to operate, and does not need to disassemble the engine. However, the effect of chemical cleaning is related to the quality of the cleaning agent and the use of the engine. If the carbon accumulation is thick or the quality is poor, it may need to be washed many times. 2. Mechanical foam cleaning method The mechanical cleaning method uses high-pressure machinery and foam cleaner to clean the engine. Because mechanical cleaning will cause certain damage to the engine, the engine needs to be disassembled. MachineryThe cleaning method can remove carbon and oil scale more thoroughly, because it uses high-pressure water for advanced directional flushing of the engine. However, mechanical cleaning will have a certain cost and cause certain damage to the engine, so you need to choose carefully. III. Precautions for engine cleaning 1. Choose a reliable manufacturer. Some irregular repair shops may use low-quality detergents or damaged equipment to clean the engine for you, resulting in further damage to the engine. It is necessary to choose a reliable and regular repair shop for cleaning. 2. Select the cleaning frequency according to the use of the engine. Choose the frequency and method of cleaning the engine according to the use of the vehicle. It is generally recommended to clean it every two years. 3. Replace the oil after cleaning. After cleaning the engine, some impurities or loose carbon may remain in the oil, so you need to change the oil before cleaning the engine.In a word, cleaning the engine is one of the important steps to keep the car running healthily. Understanding the purpose of cleaning, cleaning methods and precautions will help extend the service life of the engine and improve its performance and fuel economy.

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