Wuxi Grace Environmental Technology CO,.LTD
Wuxi Grace Environmental Technology CO,.LTD
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EURO 6 Honeycomb Ceramic Catalyst Passenger Car
Product Description
Emission Aftertreatment System Upgrade Requirements
Modern vehicle exhaust aftertreatment systems comprise advanced technologies installed downstream of the combustion engine to significantly reduce harmful emissions. These systems integrate multiple components:
Core Aftertreatment Technologies
• TWC (Three-Way Catalyst): Simultaneously reduces NOx, CO, and HC in gasoline engines
• SCR (Selective Catalytic Reduction): Targets NOx reduction in diesel applications
• DOC (Diesel Oxidation Catalyst): Converts CO and HC into CO₂ and H₂O
• DPF/GPF (Diesel/Gasoline Particulate Filter): Captures 99% of soot particles
• ASC (Ammonia Slip Catalyst): Prevents NH₃ leakage from SCR systems
Catalytic Conversion Process
When exhaust gases (containing NOx, CO, and HC) flow through the catalytic converter:
1. Redox Reactions occur on the catalyst surface
2. Toxic compounds transform into environmentally safe outputs:
◦ Nitrogen oxides (NOx) → Nitrogen (N₂) + Oxygen (O₂)
◦ Carbon monoxide (CO) → Carbon dioxide (CO₂)
◦ Hydrocarbons (HC) → Water (H₂O) + CO₂
System Upgrade Drivers
✔ Stricter emission standards (Euro 6d/China VI/EPA Tier 3)
✔ Improved catalyst formulations (Pd/Rh-based TWCs, Cu/Zeolite SCR)
✔ Advanced filter technologies (SiC DPFs, asymmetric-cell GPFs)
2.Chemical Composition:
| Chemical Composition | Alumina Ceramic | Mullite | Cordierite | Cordierite porous | Quartz |
| porous | dense | Porcelain | |||
| SiO2 | 41-44 | 26-29 | 59-59 | 48-52 | 65-68 |
| Al2O3 | 50-53 | 67-70 | 24-27 | 34-37 | 25-30 |
| MgO | ≤0.4 | ≤0.4 | 7-8 | 8-9 | ≤0.5 |
| Alkali | ≤4 | ≤1.3 | ≤3 | ≤1.3 | ≤5 |
3 .Geometric data:
| Size | 150×150×300mm | 150×150×300mm | 150×150×300mm | 150×150×300mm |
| Channels | 25 x 25 | 40 x 40 | 50 x 50 | 60 x 60 |
| Channel width | 4.9mm | 3.0mm | 2.4mm | 2.0mm |
| Inner walls | 1.0mm | 0.7mm | 0.6mm | 0.45mm |
| Spec area | 540m²/m³ | 825m²/m³ | 1050m²/m³ | 1310m²/m³ |
| Void | 67% | 64% | 63% | 64% |
4.Physical Data
| Materials | Units | Alumina ceramic | Mullite | Cordierite | Cordierite porous | Quartz |
|
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| porous | dense | porcelain | ||||
| Density | g/cm3 | 2.7 | 2.1 | 2.5 | 1.9 | 2.3-2.5 |
| Bulk Density | Kg/m3 | 965 | 832 | 871 | 778 | 889 |
| Thermal Expansion Coefficient | 10-6 /°C | 6,2 | 3,5 | 3,4 | 6,2 | 4,8 |
| Specific heat Capacity | J/KgK | 992 | 998 | 942 | 1016 | 897 |
| Thermal Conductivity | W/mK | 2.79 | 2.42 | 1.89 | 1.63 | 1.37 |
| Resistance to Fluctuated Temp | Max K | 500 | 550 | 500 | 600 | 500 |
| Softening Temperature | °C | 1500 | 1580 | 1320 | 1400 | 1380 |
| Max. temperature | °C | 1400 | 1480 | 1200 | 1300 | 1280 |
| Average Thermal Capacity | KWh/m3K | 0.266 | 0.231 | 0.228 | 0.219 | 0.222 |
| Porosity Ratio | % | 0.8 | 26 | 0.4 | 15 | 0.6 |
| Acid Resistance | % | 0.2 | 2.5 | 5 | 16.7 | 0.3 |
All the data is only for reference, specific sizes and hole shapes are according to customers' requirements.
Company Information
Wuxi Grace Environmental Technology Co.,Ltd is leading a manufacturer of SCR catalyst,VOC catalyst,POC catalyst,
DPF catalyst ,DOC catalyst ,Three-way catalyst,exhaust catalyst with well-equipped testing facilities and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in Emission
reduction for engine ,boiler and other industry applications and also provide design .
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Packaging & Shipping
Certifications
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons Or wooden cases and foam. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CRF, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.