Catalytic Converter: Comprehensive Analysis of Materials, Mesh Numbers And Standards

The catalytic converter is the most basic and most extensive modification project in the modification circle. This is because it not only affects the vehicle's exhaust emissions, but also fuel economy. New questions have arisen. Many people don’t know how to choose a three-way catalytic converter. In fact, the performance of a three-way catalytic converter is mainly affected by three aspects: carrier material, mesh size and standard. These factors jointly determine the conversion efficiency of the catalytic converter. and durability, I believe this article will definitely help you when choosing catalytic converter!

· Catalytic converter carrier material

The carrier of the three-way catalytic converter is usually made of a ceramic material called cordierite, which has extremely high heat resistance, corrosion resistance and chemical stability, and can withstand high temperature and high humidity environments. During the manufacturing process, the carrier is usually coated with a thin layer of catalyst, and the catalyst often selects precious metal elements such as Pt, Pd, and Rh.

Here comes the point! This layer of catalyst can accelerate the catalytic conversion of harmful substances in the exhaust gas, such as carbon monoxide, hydrocarbons, nitrogen oxides, etc., at lower temperatures and transform them into harmless substances, thereby reducing exhaust emissions. Therefore, the quality of the carrier material directly affects the performance and life of the catalytic converter.

In addition to cordierite, there are other common materials for three-way catalytic converter carriers, such as metal carriers and composite carriers. The metal carrier is usually made of stainless steel, which has high mechanical strength and thermal conductivity. Composite carriers combine metal and ceramic materials to obtain better mechanical and catalytic properties.

These materials have good stability at high temperatures and can effectively reduce deformation or damage caused by high temperatures. Moreover, these materials have very good corrosion resistance and can effectively prevent corrosion of the carrier caused by harmful gases.

· Catalytic converter carrier CPSI

CPSI refers to the size of the catalyst particles, usually expressed as pore size. The CPSI of the three-way catalytic converter has an important impact on its performance. CPSI determines the surface area and porosity of the catalyst, thereby affecting the catalytic conversion efficiency. Generally speaking, the higher the CPSI, the larger the surface area of the catalyst and the larger the contact area with harmful gases. It can also provide more reaction active sites, which is beneficial to improving catalytic efficiency.

However, CPSI that is too high may lead to poor fluidity of the catalyst, which is not conducive to the passage of gas, thereby affecting the performance of the catalytic converter. Therefore, choosing the appropriate CPSI is very critical to the performance and life of the three-way catalytic converter. Common CPSIs currently on the market include 20 mesh, 40 mesh, 60 mesh, 80 mesh, etc.

Generally speaking, lower CPSI catalysts are suitable for lower space velocities and higher exhaust gas flows, while higher CPSI catalysts are suitable for higher space velocities and lower exhaust gas flows. Simply put, for high-performance engines or vehicles that need to process a large amount of exhaust gas, it is recommended to choose a three-way catalytic converter with a larger CPSI to improve conversion efficiency.

· Standard

Currently, the three-way catalytic converter standards on the market are mainly divided into two categories: European standards and national standards. The European standard refers to the European standard for vehicle exhaust emissions, and the national standard refers to China's standard for vehicle exhaust emissions. Compared with national standards, European standards tend to be more universal in terms of product design and manufacturing, and have stricter requirements for automobile exhaust emissions. Therefore, the performance of European standard three-way catalytic converters is relatively better.

Different standards and specifications provide guidance and basis for the research and development, production and application of three-way catalytic converters. Therefore, when choosing a three-way catalytic converter, you need to choose the appropriate product based on the specific usage of the vehicle and the local emission standards. to ensure reliable performance and quality.

All in all, when selecting a three-way catalytic converter, choosing high-quality materials and advanced manufacturing processes can ensure the performance and life of the three-way catalytic converter. Choosing the appropriate mesh number according to the specific usage of the vehicle can further extend the life of the three-way catalytic converter, and Maximize the role of ternary, and finally don’t ignore local emission standards!

Based on the above 3 points, the selection of three-way catalytic converter has been completed! If you want to experience better products, you can focus on some well-known brands with good reputations, so that both product quality and after-sales service are very guaranteed. If you are interested, you can click on the link to consult and purchase through regular channels: https: //grwa.en.alibaba.com/

Finally, I would like to remind everyone that even if you choose a high-quality three-way catalytic converter, it still needs to be maintained and updated regularly to avoid damage to the vehicle's power and performance due to damage to the catalytic converter.