RTO Heat Exchange Honeycomb Ceramic
Advantage for ceramic honeycomb
1.Variety of materials & specifications
2. Big specific surface area
3.Small resistance loss
4.Low thermal expansion coefficient
5. High water absorb rate
6.Outstanding crack-resistance
Chemical & Physical Analysis for ceramic honeycomb
|
Chemical & Physical index |
Cordierite |
Dense Cordierite |
Cordierite- mullite |
Mullite |
Corundum-mullite |
|
|
Chemical Composition (%) |
SiO2 |
45~55 |
45~55 |
35~45 |
25~38 |
20~32 |
|
AI2O3 |
30~38 |
33~43 |
40~50 |
50~65 |
65~73 |
|
|
MgO |
10~15 |
5~13 |
3~13 |
- |
- |
|
|
K2O+Na2O |
<1.0 |
<1.0 |
<1.0 |
<1.0 |
<1.0 |
|
|
Fe2O3 |
<1.5 |
<1.5 |
<1.5 |
<1.5 |
<1.5 |
|
|
Thermal Expansion Coefficient 10-6/K-1 |
<2 |
<4 |
<4 |
<5 |
<7 |
|
|
Specific Heat J/kg·K |
830~900 |
850~950 |
850~1000 |
900~1050 |
900~1100 |
|
|
Working Temperature ℃ |
<1300 |
<1300 |
<1350 |
<1450 |
<1500 |
|
|
PS: we also can make products at your request and actual operating condition. |
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Product Specifications for ceramic honeycomb
|
Size (mm) |
Hole Qty (N×N) |
Hole Density (cpsi) |
Hole Diameter (mm) |
Wall thickness (mm) |
Porosity (%) |
|
150×150×300 |
5×5 |
0.7 |
27 |
2.4 |
81 |
|
150×150×300 |
13×13 |
4.8 |
9.9 |
1.5 |
74 |
|
150×150×300 |
20×20 |
11 |
6.0 |
1.4 |
64 |
|
150×150×300 |
25×25 |
18 |
4.9 |
1.00 |
67 |
|
150×150×300 |
40×40 |
46 |
3.0 |
0.73 |
64 |
|
150×150×300 |
43×43 |
53 |
2.79 |
0.67 |
64 |
|
150×150×300 |
50×50 |
72 |
2.4 |
0.60 |
61 |
|
150×150×300 |
59×59 |
100 |
2.1 |
0.43 |
68 |
