Products Introduction
SCR catalyst is mainly used to reduce NOx in diesel engine exhaust with Urea-SCR technology. Diesel SCR catalyst is mainly divided into Vanadium based SCR (V-SCR) catalyst and Molecular sieve based SCR catalyst.
The V-SCR catalytic converter can meet the Euro IV & Euro V emission standards for diesel engines on the road, and Euro IV emission standards for off-road small and medium power diesel engines; Molecular sieve SCR catalyst can be divided into Cu-SCR, Fe-SCR and Copper- iron composite SCR, which are mainly used for diesel engine on-road to meet Euro VI emission standardsand for off-road to meet Euro VI and above emission standards.
|
Property |
Unit |
Reference Value |
|
Cordierite |
% |
≥ 90.0 |
|
Wall Thickness |
mm |
0.10-0.18 |
|
Water Absorption Rate |
% |
20 -26 |
|
Compressive Strength |
MPa |
Side A : ≥ 8 Side B: ≥ 2.0 Side C: ≥ 0.15 |
|
Thermal Expansion Coefficient |
10-6/℃ |
≤ 1.2 |
|
Softening Temperaure |
℃ |
1380 |
Performance parameters of some products in store
|
Diameter inch |
7.5 |
7.5 |
8.3 |
8.3 |
9.4 |
9.4 |
10.5 |
10.5 |
13 |
|
Height inch |
3-7 |
3-7 |
3-7 |
3-7 |
3-7 |
3-7 |
3-7 |
3-7 |
3-7 |
|
Cell Density cpsi |
400 |
300 |
400 |
300 |
400 |
300 |
400 |
300 |
300 |
|
Wall Thickness mm |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
|
Physical Index |
|||||||||
|
C-axis Strength MPa |
>0.15 |
>0.15 |
>0.15 |
>0.15 |
>0.15 |
>0.15 |
>0.15 |
>0.15 |
>0.15 |
|
B-axis Strength MPa |
>2 |
>2 |
>2 |
>2 |
>2 |
>2 |
>2 |
>2 |
>2 |
|
A-axis Strength MPa |
>8 |
>8 |
>8 |
>8 |
>8 |
>8 |
>8 |
>8 |
>8 |
|
Volumetric Head Capacity@500℃ J/ cm3K |
3.2-5.8 |
3.2-5.8 |
3.2-5.8 |
3.2-5.8 |
3.2-5.8 |
3.2-5.8 |
3.2-5.8 |
3.2-5.8 |
3.2-5.8 |
|
Thermal Conductivity @500℃ W/mk |
1.3-2.7 |
1.3-2.7 |
1.3-2.7 |
1.3-2.7 |
1.3-2.7 |
1.3-2.7 |
1.3-2.7 |
1.3-2.7 |
1.3-2.7 |
|
Contour Tolerance |
|||||||||
|
Out Dia. mm |
±1.5 |
±1.5 |
±1.5 |
±1.5 |
±1.5 |
±1.5 |
±1.5 |
±1.5 |
±1.5 |
|
Length mm |
±1 |
±1 |
±1 |
±1 |
±1 |
±1 |
±1 |
±1 |
±1 |
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