Complaint
Honeycomb ceramic carrier is mainly made of cordierite. Honeycomb ceramic material used for automobile exhaust treatment is usually porous cordierite, which is mainly used to provide inert physical structure of catalyst coating. In order to have a larger catalytic surface in a smaller volume, the carrier surface is made into a honeycomb. The major advantages are large specific surface area, low thermal expansion coefficient, excellent thermal shock resistance, strong acid, alkali and corrosion resistance, and high mechanical strength. Honeycomb ceramics as a carrier is the key component of three-way catalytic converter. Its important material is cordierite, which has high temperature resistance, high continuous working temperature up to 1200 ºC, high strength and low linear expansion coefficient. Effective surface and appropriate pore structure are adopted for the carrier. The opening ratio of ceramic carrier can reach 400-600 mesh/inch2, and the small wall thickness can reach about 0.16mm. It can enhance the mechanical strength of the catalyst, as well as its ability to resist wear, impact, gravity, pressure, high temperature and phase change, improve the conductivity of the catalyst and reduce the content of active components, especially when using precious metal catalysts such as platinum, palladium and rhodium, it can highly disperse the active components and reduce the dosage. In a word, the quality of the carrier is important for the catalyst. The mesh number of honeycomb ceramic carrier can be 200 mesh, 300 mesh, 400 mesh or 600 mesh. The cross section shapes are round, runway, oval and some special shapes according to customer requirements. The purpose is to meet the needs of different models.
Cylinder | Cylinder | Cylinder |
Φ80*60 | Φ80*80 | Φ74*80 |
Φ83*60 | Φ83*75 | Φ83*125 |
Φ93*80 | Φ93*100 | Φ93*152 |
Φ97*100 | Φ100*100 | Φ100*80 |
Φ103*100 | Φ103*130 | Φ106*152 |
Φ110*110 | Φ110*130 | Φ110*150 |
Items | Unit | Index | ||
Chemical Composition | SiO2 | % | 49-51 | |
Al2O3 | % | 33-35 | ||
MgO | % | 13-14 | ||
Wall Thickness | mm | 100 CPSI | 0.43 | |
200 CPSI | 0.32 | |||
300 CPSI | 0.30 | |||
400 CPSI | 0.18 | |||
600 CPSI | 0.15 | |||
Crush Strength | A-axis | Mpa | ≥16 | |
B-axis | Mpa | ≥3 | ||
Water Absorption | % | 25±2 | ||
Coefficient of Thermal Expansion | 10-6/K-1 | 0.8-2.0 | ||
Maximum Operating Temperature | °C | ≥1370 | ||
Bulk Density | Kg/L | 0.43-0.75 | ||
1. Thin hole wall, large specific surface area, small resistance, low bulk density and high compressive strength
2. Low thermal expansion coefficient.
3. Good heat shock resistance and thermal shock resistance
4. Good compatibility with various active components of catalyst
5. Good cold start performance, low ignition temperature, fast temperature rise, small air resistance and high conversion efficiency.
6. Spiral, double S and three core structures can be produced according to user requirements.
7. Cylindrical, runway shaped and other special-shaped structures can be designed according to different motor vehicle requirements
8. The products meet the manufacturing and supporting requirements of various sizes and models of motor vehicles, and meet Euro 3 and stricter emission standards
Honeycomb ceramic is a new type of ceramic product with a honeycomb-like structure. Early use in small car exhaust purification.Now widely used in chemical, electric power, metallurgy, petroleum, electronic appliances, machinery and other industries, and more and more widely.
1. Catalyst carrier
When honeycomb ceramics are used as catalyst carriers, they are mainly used in automobile exhaust purification, boiler exhaust denitrification (NOx), industrial exhaust deodorization, and removal of toxic and harmful gases.The honeycomb ceramic catalyst carrier for automobile exhaust purification is mainly a cordierite honeycomb ceramic carrier coated with γ-Al2O3.
2. Refractory kiln furniture
The quality of extruded honeycomb ceramic kiln furniture is 60%-75% lighter than that of traditional kiln furniture, the heat transfer is rapid, and rapid firing can be achieved. When using it to pad ferrite or other electronic ceramics, it is beneficial to improve product performance.
3. Wall flow filter
Porous and thin-walled honeycomb ceramics can filter and purify carbon particles in diesel engine gas exhaust gas (about 500 ºC)
