Complaint
Diesel engine emissions have attracted more and more attention around the world. Regulations around the world implement stricter controls on NOx (nitrogen oxide) emissions from diesel-engined vehicles. Stricter emission standards have driven the demand for active filtration systems that incorporate NOx reduction technology; SCR catalysts provide temperature stability and operating temperature flexibility to remove NOx to meet strict global emission regulations.
The SCR catalysts are made of various porous ceramic materials as the substrate, the honeycomb SCR catalyst can effectively reduce NOx emission.
Physical Properties:
Parameters | Measurement | Standard | Typical data |
Cordierite crystal phase | wt% | >90 | 95 |
Coefficient Thermal Expansion (-800°C) | cm/cm/°C | <1.8xl06 | 1.3-1.5xl06 |
Thermal Stability ( 550°C ) | times | >3 | >3 |
Soften Temperature | °C | >1360 | 1390 |
Compression A-axis | Mpa | 15.0 | 16.0 |
Strength B-axis | Mpa | 3.0 | 5.0 |
Specific Weight | Kg/L | <0.50 | 230-430 |
Porosity | % | 40-45 | 41 |
Porosity | % | 18-28 | 22-25 |
Chemical Properties:
Chemical composition | Al2O3 | SiO2 | MgO | CaO | K2O+Na2O | Fe2O3 | TiO2 |
Content% | 35.1±1.5% | 50.0±1.6% | 13.5±0.5% | ≤0.5 | ≤0.3 | ≤1.0 | ≤1.0 |
Common Sizes of SCR (selective catalytic reduction) Honeycomb Ceramic Substrate
No. | Section Shape | Specification | holes / square inch | No. | Section Shape | Specification | holes / square inch |
1 | cylinder | Ø143.8*76.2 | 400 | 10 | cylinder | Ø240*152.4 | 300 |
2 | cylinder | Ø143.8*101.6 | 400 | 11 | cylinder | Ø267*101.6 | 300 |
3 | cylinder | Ø143.8*152.4 | 400 | 12 | cylinder | Ø267*152.4 | 300 |
4 | cylinder | Ø170*101.6 | 300 | 13 | cylinder | Ø286*101.6 | 300 |
5 | cylinder | Ø190.5*101.6 | 300/400 | 14 | cylinder | Ø286*152.4 | 300 |
6 | cylinder | Ø190.5*52.4 | 300/400 | 15 | cylinder | Ø305*101.6 | 300 |
7 | cylinder | Ø228*101.6 | 300 | 16 | cylinder | Ø305*152.4 | 300 |
8 | cylinder | Ø228*152.4 | 300 | 17 | cylinder | Ø330*101.6 | 300 |
9 | cylinder | Ø240*101.6 | 300 | 18 | cylinder | Ø330*152.4 | 300 |
Q: Are you Factory?
A: Definitely, we are a factory. Welcome to visit us!
Q: What Parameters should I provide to you for a proper quotation?
A: Application, pore size, dimension, color, quantity, packing requirements, trade terms.
Q: How can you control your quality?
A: For each production processing, we have a complete QC system for the chemical composition and physical properties. After production, all the goods will be tested, and we have the quality certificates with ISO9001.
Q: What is your lead time?
It usually needs about 15- 20 days after receiving the PO.
Q: Do you provide Samples?
A: Yes, our factory provides samples for testing, pls send detailed parameters to us. (if customized, withdrawing is best) The samples will be charged or free according to the specific requirements.
Q: What are the Payment Terms?
A: We accept T/T, L/C, West Union, etc.
Q: How can I get samples?
A: We are honored to offer you the samples.
Q: What about your Packing?
A: We provide carton boxes, pallets, etc. OEM packing is available too.
Q: Do you have R&D services?
A: Yes, we have an R&D department to assist you in new product development.
Q: Does your company accept customization?
A: We accept OEM service.
Q: Can we visit your company?
A: Yes, for sure, you are welcome to visit our company.
