Mullite-Cordierite Honeycomb Ceramic for RTO/RCO Systems
As the core component of High Temperature Air Combustion (HTAC) systems, our honeycomb ceramic thermal storage media delivers exceptional performance through its unique material properties. Engineered with low thermal expansion coefficient, high specific surface area, excellent thermal stability, and superior corrosion resistance, this advanced ceramic solution ensures reliable operation in demanding industrial environments.
★ Key Advantages
- Exceptional thermal shock resistance
- High heat storage capacity per unit volume
- Optimized geometric surface area for efficient heat transfer
- Superior mechanical strength and durability
- Excellent resistance to chemical corrosion
🌐 Global Applications
Our honeycomb ceramics have been widely adopted in RTO (Regenerative Thermal Oxidizer) and RCO (Regenerative Catalytic Oxidizer) systems across international markets, providing effective VOC abatement solutions for various industrial sectors including chemical processing, painting, printing, and pharmaceutical manufacturing.
⚙ Material Specifications
We offer comprehensive material options including:
- Mullite-cordierite composite
- High-alumina porcelain formulations
- Corundum-mullite compositions
- Premium cordierite series
- Customized material development
🔬 Technical Excellence
With over 10 specialized honeycomb ceramic formulations developed according to US and European standards, our products ensure:
- Stable operation under thermal cycling conditions
- Long service life with minimal maintenance
- Cost-effective VOC treatment solutions
- Compliance with international environmental regulations
🛡 Quality Assurance
All honeycomb ceramics undergo rigorous quality control and are certified to meet international performance standards, guaranteeing consistent performance in your RTO/RCO applications.
📐 RTO/RCO Honeycomb Ceramics Main Size
| L*W*G(mm) |
150x 150 x 300(150) |
| Number of Cell |
25x25=625 |
40x40= 1600 |
43x43=1849 |
50x50=2500 |
60x60=3600 |
| Width of Cell(mm) |
4.95 |
3.02 |
2.81 |
2.38 |
1.98 |
| Thickness of inner wall(mm) |
1.0 |
0.7 |
0.65 |
0.6 |
0.5 |
| Surface Area(m2/m3) |
577 |
886 |
950 |
1084 |
1294 |
| Opening Ratio(%) |
68 |
65 |
65 |
63 |
63 |
🧪 RTO/RCO Honeycomb Ceramics Chemical Composition
| Item |
Aluminum Porceian-cordierite |
Dense aluminum porcelain |
Cordierite |
Mullite-Cordierite |
Mullite |
Enamel |
| SiO2 |
25~35 |
25~35 |
45~55 |
40~50 |
25~35 |
68~72 |
| Al2O3 |
55~65 |
55~65 |
28~38 |
55~65 |
55~65 |
22~26 |
| MgO |
2~4 |
2~4 |
11~14 |
5~9 |
≤2 |
≤0.5 |
| Fe203+TiO2 |
1~4 |
1~4 |
1~3 |
1~3 |
1~4 |
1~3 |
| Others |
≤5 |
≤5 |
≤5 |
≤5 |
≤5 |
≤5 |
| Thermal shock resistance Max Temperature(℃） |
≥400 |
≥300 |
≥450 |
≥350 |
≥350 |
≥300 |
| Advised Max Temperature(℃） |
1250 |
1350 |
1150 |
1250 |
1450 |
1200 |
| Water Absorption Rate(%) |
≤20 |
≤5 |
≤22 |
≤20 |
≤20 |
≤10 |
📊 RTO/RCO Honeycomb Ceramics Physical Properties
| Item |
Aluminum Porceian-cordierite |
Dense aluminum porcelain |
Cordierite |
Mullite-Cordierite |
Mullite |
Enamel |
| Density(g/cm3) |
2.0~2.3 |
2.4~2.6 |
1.6~1.9 |
1.7~2.0 |
2.0~2.4 |
1.7~2.0 |
| Bulk density (g/cm3) |
0.65~0.8 |
0.65~0.8 |
0.6~0.7 |
0.65~0.75 |
0.65~0.8 |
0.65~0.75 |
| Thermal Expansion Coefficient (X10-6°C-1) (RT-800°C) |
≤6 |
≤6 |
≤3 |
≤3.5 |
≤5.5 |
≤6.5 |
| Specific heat capacity (J/Kg.k) |
950~1150 |
1000~1200 |
900~1100 |
900~1100 |
1000~1150 |
900~1100 |
| Thermal Conductivity (w/m.k)(20-1000°C) |
1.5~2.0 |
1.5~2.0 |
1.2~1.8 |
1.4~1.9 |
1.5~2.0 |
1.4~1.9 |
| Thermal shock resistance Max Temperature(℃） |
≥400 |
≥300 |
≥450 |
≥350 |
≥350 |
≥300 |
| Advised Max Temperature(℃） |
1250 |
1350 |
1150 |
1250 |
1450 |
1200 |
| Water Absorption Rate(%) |
≤20 |
≤5 |
≤22 |
≤20 |
≤20 |
≤10 |
❓ Frequently Asked Questions (FAQ)
What are the primary applications of honeycomb ceramic regenerators?
Honeycomb ceramics are primarily utilized as thermal storage media in Regenerative Thermal Oxidizers (RTO) and Regenerative Catalytic Oxidizers (RCO) for VOC abatement, as well as in High Temperature Air Combustion (HTAC) systems across various industrial sectors.
Why is Mullite-Cordierite preferred for thermal oxidizer systems?
Mullite-Cordierite composite balances a low coefficient of thermal expansion with high mechanical strength and thermal shock resistance, ensuring durability and structural integrity under severe thermal cycling.
How does cell density (number of cells) affect performance?
A higher cell density provides a greater specific surface area for heat exchange, which increases thermal efficiency, but can slightly influence pressure drop and opening ratio depending on operating airflow requirements.
What is the maximum operating temperature for these honeycomb ceramics?
Depending on the specific material composition selected (such as Cordierite, Mullite, or Dense Aluminum Porcelain), the advised maximum operating temperatures range from 1150°C up to 1450°C.
Are custom dimensions and cell counts available?
Yes, standard sizes are typically 150x150x300(150) mm with cell counts from 25x25 to 60x60, but customized dimensions, cell structures, and specialized formulations can be engineered according to operational specifications.
