Round MgO Selective Catalytic Reduction Converter Substrate
Description:
Benefits of Products:
● Low thermal expansion coefficient
● High porosity of hole on the wall , 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.
● Cold start performance is good, low light-off temperature, high
conversion efficiency
1. Product use
After coated with catalysts, this product is applied in catalytic
converter of diesel vehicle to catalyze, convert and purify the
exhaust, making vehicle exhaust reaching standards of Euro IV and
Euro V. Technical performance of the product in the leading
position in domestic, close to or reach the advanced level of
similar foreign product.
2.Overall dimensions standards
Item |
| Standard values
| Test method
|
Wall thinkness | 100CPSI | 0.45MM±0.03 | vernier caliper |
200CPSI | 0.36MM±0.03 | vernier caliper |
300CPSI | 0.28MM±0.03 | vernier caliper |
400CPSI | 0.21MM ±0.03 | vernier caliper |
Overall dimensions | OD:＜100MM | ±1.0MM | vernier caliper |
≥100MM | ±1% | vernier caliper |
Height:＜150 | ±1.0 | vernier caliper |
≥150 | ±1%Height | vernier caliper |
Internal crack |
|
| Bright light perspective |
Physical and chemical properties
Item | Standard value | Test methods |
chemical component
| Al2O3 | 35.2%±1% | chemical analysis |
SiO2 | 50.9%±1% |
MgO | 13.9%±1% |
Cordierite main crystalline phase content | ≥90% | X-ray diffraction |
Compressive strength at room temperature
| AA xis | ≥15Mpa | universal material testing machine
|
BB xis | ≥2Mpa |
CC xis | ≥0.15Mpa |
water absorption | 23-27% | Gravimetric method |
softening temperature | ≥1400℃ | high-temperature electric resistance furnace |
CTE(800℃) | ≤1.5*10-6/℃ | thermal dilatometer |
thermal shock resistance | 450℃ Three times don't crack | air cooling |
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:
● Low thermal expansion coefficient
● High porosity of hole on the wall , 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.
● Cold start performance is good, low light-off temperature, high
conversion efficiency
