Material: cordierite
Cell density: 100-600 cpsi
round, oval, racetrack
Euro II, III, IV
Customization available

Automobile exhaust gases are conventionally purified with a catalyst supported on a ceramic body able to withstand high temperatures. The preferred catalyst support structure is a honeycomb configuration which includes a multiplicity of unobstructed parallel channels sized to permit gas flow and bounded by thin ceramic walls. The walls of these channels provide the surface for precious-metal catalysts that convert noxious emissions into carbon dioxide, nitrogen and water vapor. We can provide honeycomb ceramic substrate has been coated and non-coated precious-metal.

It used as catalytic converters of gasoline engines, the honeycomb ceramic catalyst substrates are coated by catalyst; at the same time , we improve the specific surfaceareas and cut down the heat capacity to increase the catalytic function. When the noxious emissions pass through, HC, CO and NOX will be converted into harmless components.

Diesel particular filter bases on honeycomb ceramic substrate, whose materials are cordierite or carborundum. It could trap the particulate matter from diesel exhaust emissions, so they are applied on cars, buses, trucks and so on

The necessary property of honeycomb ceramic catalyst substrate used in cars as follows:

A).High specific surface area: ensure exhaust gas could contact weigh catalyst enough.

B).Stable water absorption: guarantee catalyst could be firmly and evenly coated on the surface of substrate, so it's no waste for too thick coating.

C).Warm-up characters: after starting up engine, the temperature of substrate could reach the active temperature of catalyst in the shortest time.

D).Low exhaust resistance: ask exhaust resistance of substrate to engine low, so that it won’t affect the performance of engine

E).high intensity: substrates work in bumpy cars, so the intensity of substrates must be too high to be destroyed

F).perfect assembly: substrates are parts of exhaust; perfect appearance and exact dimension could ensure assembly perfect.