Asymmetric DPF Substrate Ceramic Cordierite Diesel Particulate Filter
Asymmetric DPF Substrate
,Ceramic DPF Substrate
,Cordierite Diesel Particulate Filter
1.Product use
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. Made by cordierite.
2.Overall dimensions standards
|
Item |
Overall dimensions |
standard values |
Test method |
|
Wall thinkness |
9mil | 0.23MM±0.03 |
Imaging measuring Instrument |
| Overall dimensions | D:≤300mm | ±1.5MM | Caliper |
| D:＞300MM | ±2.0MM | Caliper | |
| Height:≤160MM | ±1.0MM | vernier caliper | |
| Height: ＞160MM | ±1.5MM | vernier caliper | |
|
Hole density(Holes /inch2) |
300CPSI | 300±30 | vernier caliper |
|
Perpendicularity |
Height≤100MM | ≤1MM |
Caliper |
| Height＞100MM | ≤1%*H | ||
|
Parallelism |
φ≤100MM | ≤0.6MM | vernier caliper |
| φ＞100MM | ≤0.6%*D | vernier caliper |
3.Physical and chemical properties
|
Item |
Units |
Standard value |
Test methods |
|||
|
chemical component |
Al2O3 | % | 35.4±1.5 | XRF | ||
| SiO2 | % | 50.9±1.5 | ||||
| MgO | 13.5±1.5 | |||||
|
Cordierite Crystal Phase
|
WT% | ≥95 | XRD | |||
|
Compressive strength |
A-aix | MPa | ≥3 | Strength tester | ||
| Water absorption | % | 40-50 | Water absorption tester | |||
| CTE(25-800℃) | /℃ | ≤1.0*10-6 | thermal dilatometer | |||
| ISO strength | MPa | ≥1.0 | ISO strength tester | |||
|
Porosity |
55%±3% | 50%±3% | Gravimetric method | |||
|
Median Pore size |
16±3μm | 11±2μm |
Mercury Porosimeter Tester |
|||
|
Thermal Shock Resistance
|
650℃/three times | High temperature Electronic furnace | ||||
|
Softening temperature
|
1380℃ | High temperature Electronic furnace | ||||
4.Advantages:
●High porosity of hole on the wall of high porosity, good liquidity and uniform distribution
●High temperature resistance, chemical corrosion 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
5.Applications
Mainly used for Diesel Engine, suitable motorcycle type such as light-duty, heavy-duty and so on;
6.Specifications
| Cell density (CPSI): ASY300 | ||||
|
Item |
(mm) Sectional Dimension |
(mm2) Area of Section |
Shape of Section |
(mm) Height |
| 1 | 118.4(4.66”) | 11010 | |
The height can be customized by customer
|
| 2 | 127(5”) | 12667 | |
|
| 3 | 144(5.66”) | 16286 | |
|
| 4 | 190.5(7.5”) | 28352 | |
|
| 5 | 228.6(9”) | 40828 | |
|
| 6 | 241.3(9.5”) | 45238 | |
|
| 7 | 267(10.5”) | 55990 | |
|
| 8 | 286(11.25”) | 64242 | |
|
| 9 | 304.8(12”) | 73061 | |
|
| 10 | 330.2(13”) | 85529 | |
|
REMARK: The SIZE can be customized by customer