Al2O3 Ceramic Substrates Cellular For Catalytic Converters

Al2O3 Ceramic Substrates Cellular For Catalytic Converters

Description:

After coated with catalysts, this product is applied in catalytic converter of gasoline vehicle to catalyze, convert and purify the exhaust, making vehicle exhaust reaching standards of Euro IV and Euro V.

Benefits of Products:

● Thin wall thickness

● Low pressure drop

● High surface area

● Height compressive strength

● Low thermal expansion coefficient

● Good thermal impact resistance and thermal shock resistance

● Excellent compatibility with various active composition in catalyst

●Good performance in cold start, low ignition temperature, quick temperature rise, little air resistance, and high conversion efficiency.

2. 1. Product use

After coated with catalysts, this product is applied in catalytic converter of gasoline vehicle to catalyze, convert and purify the exhaust, making vehicle exhaust reaching standards of Euro IV and Euro V.

2．Overall dimensions standards

Item	Standard value	Tolerance range	Remark
wall thickness	0.17MM	+0.03MM -0.02MM
density scope	440g/L	±60g/L
Outside dimension	≤100MM	±1MM
	＞100MM	±1%
Perpendicularity	≤100MM	≤1%height
Parallelism	＞100MM	≤1%height

Physical and chemical properties

Item		Standard value	Inspection Method
chemical components	Al2O3	35.2±1%	Chemical analysis
	SiO2	50.9±1%
	MgO	13.9±1%
Cordierite Crystal phase		≥90%	X-ray diffraction techniques
Compressive strength	AA xis	≥15 Mpa	Compressive strength technique
	BA xis	≥2 Mpa
	CA xis	≥0.15 Mpa
Water absorption		20-26%	Weighting methord
Softening point		≥1400	High temperature oven
Refractory		≥1600	Cryptol furnace
CTE(800℃)		≤1.2*10-6/℃	Netzsch dil 402 PC
Thermal shock resistance		550℃three times(air cool)	Muffle furnace

Applications:

After coated with catalysts, this product is applied in catalytic converter of gasoline vehicle to catalyze, convert and purify the exhaust, making vehicle exhaust reaching standards of Euro IV and Euro V. Technical performance of this product has achieved advanced level in China, and it approaches or has already reached the advanced level of similar products abroad.

Specifications

Cell density (CPSI):100~400
Item	(mm) Sectional Dimension	(mm2) Area of Section	Shape of Section	(mm) Height
1	144(4.66”)	16282		The height can be designed by customer. (The standard height):76.2mm(3”), 101.6mm(4”), 127mm(5”), 152.4mm(6”).
2	150	17671
3	165(6.5”)	21382
4	170	22698
5	175	24052
6	190(7.5”)	28352
7	210	34636
8	228(9”)	40828
9	240(9.5”)	45238
10	267(10.5”)	55990
11	286(11.25”)	64242
12	305(12”)	73061
13	330(13”)	85529

REMARK: The SIZE can be designed by customer

Competitive Advantage:

● Thin wall thickness

● Low pressure drop

● High surface area

● Height compressive strength

● Low thermal expansion coefficient

● Good thermal shock resistance

● Excellent compatibility with various active composition in catalyst

●Good performance in cold start, low ignition temperature, quick temperature rise, little air resistance, and high conversion efficiency.