Cordierite Honeycomb Ceramic Catalyst Substrate For Car Exhaust Gas Purifier
Cordierite Honeycomb Ceramic Catalyst Substrate For Car Exhaust Gas Purifier
1. Introduction
Honeycomb ceramics provide optimal solutions for thermally demanding industrial applications thanks to their distinctive cellular geometry. This lattice-like structure gives rise to exceptional properties that enhance thermal management, catalytic activity, and mechanical strength.
High Surface Area to Volume Ratio
The hexagonal cell shape of honeycomb ceramic substrates generates an extremely high surface area to volume ratio. This allows for effective convective heat transfer and mass transfer across the structure, maximizing heat dissipation and catalyst exposure.
Low Thermal Mass
The thin walls of the honeycomb structure minimize thermal mass. This reduces thermal lag and allows for rapid heating up and cooling down of the material. Fast thermal response times improve process efficiency.
Temperature Uniformity
The shape and density of the honeycomb structure promote temperature uniformity. This helps avoid hot or cold spots that can reduce performance and cause material failure.
Strength and Durability
Despite being lightweight and porous, honeycombs exhibit high strength thanks to the cellular geometry. The structure resists deformation under load and provides excellent thermal shock resistance. The substrates maintain integrity and performance in harsh, high-temperature environments.
2． Overall dimensions standards
|
Item |
Overall dimensions |
standard values
|
Test method
|
|
Wall thinkness |
100CSI |
0.46MM±0.04 |
vernier caliper |
|
200CSI |
0.36MM±0.04 |
vernier caliper |
|
|
Overall dimensions |
OD:＜120MM |
±1.0MM |
vernier caliper |
|
≥120MM |
±1% |
vernier caliper |
|
|
Height:＜150 |
±1.0 |
vernier caliper |
|
|
≥150 |
±1%Height |
vernier caliper |
|
|
Hole density(Holes /inch2) |
100CSI |
100±10 |
vernier caliper |
|
200CSI |
200±10 |
vernier caliper |
|
|
Hole sealing integrity |
100% Intact |
Bright light perspective |
|
|
Internal crack |
|
|
Bright light perspective |
Physical and chemical properties
|
Item |
Standard value |
Test methods |
|
|
chemical component
|
Al2O3 |
35.4%±1.5% |
chemical analysis |
|
SiO2 |
50.9%±1.5% |
||
|
MgO |
13.5%±1.5% |
||
|
RT Mpa |
≥10.0Mpa |
universal material testing machine
|
|
|
porosity |
≥50% |
Gravimetric method |
|
|
Max. working temperature |
1400℃ |
high-temperature electric resistance furnace |
|
|
CET(800℃) |
≤1.2*10-6/℃ |
thermal dilatometer |
|
|
The average pore aperture |
7～15 |
Mercury Injection Apparatus |
|
Description:
This product is a kind of special structure and special material of wall flow ceramic honeycomb ceramic filter element, used in the diesel engine exhaust gas purification device, using the hole wall of the pore wall flow filter body, intercept, capture the carbon in the diesel exhaust smoke particles, diesel exhaust gas purification. There are cordierite and silicon carbide material.
Benefits of Products:
● High porosity of hole on the wall of high porosity, good liquidity and uniform distribution
● High temperature resistance, chemical corrosion resistance, thermal shock resistance and thermal shock resistance is strong
● The pressure drop is small
● High filtration efficiency, able to adapt to all kinds of regeneration
● Low thermal expansion coefficient
Specifications
|
Cell density (CPSI):100 and 200 |
||||
|
Item |
(mm) Sectional Dimension |
(mm2) Area of Section |
Shape of Section |
(mm) Height |
|
1 |
118.4(4.66”) |
11010 |
|
The height can be designed by customer |
|
2 |
127(5”) |
12667 |
|
|
|
3 |
144(5.66”) |
16286 |
|
|
|
4 |
150(5.9”) |
17671 |
|
|
|
5 |
190(7.5”) |
28352 |
|
|
|
6 |
228(9”) |
40828 |
|
|
|
7 |
240(9.5”) |
45238 |
|
|
|
8 |
267(10.5”) |
55990 |
|
|
|
9 |
286(11.25”) |
64242 |
|
|
|
10 |
305(12”) |
73061 |
|
|
|
11 |
330(13”) |
85529 |
|
|
|
12 |
381(15”) |
114009.00 |
|
|
|
13 |
457(18”) |
164029.00 |
|
|
|
14 |
144.8x81.3 |
9921.16 |
|
|
|
15 |
144x116 |
13366.67 |
|
|
|
16 |
188x103 |
16338 |
|
|
|
17 |
Trapezium 130x100 |
10530 |
|
|
|
18 |
203.3x97 |
17059 |
|
|
|
19 |
191.8×95.8 |
14698 |
|
|
|
20 |
190×134 |
22160 |
|
|
|
21 |
145×118 |
14120 |
|
|
|
22 |
154.9×127 |
15771.65 |
|
|
|
23 |
207.3×101.4 |
17753.25 |
|
|
|
24 |
207.4x100.4 |
17920 |
|
|
REMARK: The SIZE can be designed by customer
Competitive Advantage:
●The pressure drop is small
● Low thermal expansion coefficient
● High filtration efficiency, able to adapt to all kinds of regeneration
● High porosity of hole on the wall of high porosity, good liquidity and uniform distribution
● High temperature resistance, chemical corrosion resistance, thermal shock resistance and thermal shock resistance is strong
Wooden pallets with plastic film or according to your request.
1. Strong packing protects the goods from any possible damage during transit.
2. Solid packing and overall stuffing prevent the cases from vibration and jarring.
3. Necessary precaution is taken to protect goods from pilferage or rain.
4. Every possible precaution is taken to ensure our products in prime condition when reach customers around the world.
Jiangsu Yixing non-metallic Chemical Machinery Co., Ltd., founded in 1957, is a porous ceramic core of high-tech enterprises, since 1985, research and development production of cordierite ceramic honeycomb, and in 1989 won the National Ceramic - "Eighth Five plan" investment funding, is the first domestic development and production of cordierite honeycomb ceramic products.