Al2O3 Car Ceramic Substrates For Three way Catalytic Converters
ceramic catalyst support
,honeycomb ceramic substrate
,Car Ceramic Substrates
Al2O3 Car Ceramic Substrates For Three way Catalytic Converters
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 |
|
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.
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.