Каталитический конвертер кордиерита для

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Cordierite Catalytic Converter For Car:

 

Used as catalytic converters of gasoline engines, the honeycomb ceramic catalyst substrates are coated by catalyst;at the same time , we improve the specific surface areas 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.

 

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

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

2.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.

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

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

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

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

 

Material: cordierite

Item		Index
		HL-02(260Channel)		HL-03(300Channel)		HL-04(400Channel)	HL-06(600Channel)
Volume Weight kg/cm³		≤0.70
Water Absorption%		20-27
Resistance to normal atmospheric temperature	X(Parallel to channels)	≥50		≥50		≥65
	Y(Vertical to channels)	≥160		≥180		≥200
Coefficient of Thermal Expansion°C-1(20-800°C)		≤1.50*10-6
Soften temperature°C		>1450
Thermal stability 800°C		≥3
Specific Surface Area (cm²/cm³)		≥20
Chemical composition range%		Al2O3	SiO2	MgO	K2O+Na2O	Fe2O3	Others
		31~34	48~21	12~14	<1	<0.5	<1
Specific heat20-100°C J/KG.K		800-900	800-950	800-1200	750-800	850-1100	840-920
Theraml conductivity20-100°C W/m.k		1.5-2.5	1.4-2.0	1.5-2.5	1.5-1.5

 

*For more details, please don't hesitate to contact with me.