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Can the Replaced Three-Way Catalytic Converter Be Sold for Money?

1 Answers

Rod

07/29/25 4:13pm

Car replaced three-way catalytic converters can be sold for money because they contain rare precious metals. Lifespan of the Three-Way Catalytic Converter: The service life of a three-way catalytic converter ranges between 80,000 to 100,000 kilometers. The specific lifespan depends on the vehicle's usage conditions, and it is also related to the quality of fuel used and the driving environment. Composition of the Three-Way Catalytic Converter: A three-way catalytic converter generally consists of four parts: the shell, vibration damping layer, substrate, and catalyst coating. The shell is made of stainless steel to prevent oxide scale from falling off, which could block the substrate. The vibration damping layer is composed of gaskets or wire mesh pads, serving to seal, insulate, and secure the substrate. To protect the substrate from damage caused by vibration, thermal deformation, and other factors, the gasket is made of expanded mica and aluminum silicate fibers, bonded with adhesive. The substrate is made of honeycomb-shaped ceramic materials, though many are also made of metal (including stainless steel) materials. The catalyst consists of precious metals such as platinum, rhodium, and palladium, sprayed onto the substrate to form the purifying agent.

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