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Subject: |
Technical Specification of Honeycomb Ceramics |
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Chemical Composition |
unit |
Cordierite |
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SiO2 |
% |
58.17 |
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Al2O3 |
% |
33.44 |
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MgO |
% |
7.00~7.50 |
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Fe2O3 |
% |
0.83 |
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Cao, K2O, Na2O |
% |
<2.0 |
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TiO, BaO |
% |
0.36 |
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Cr2O3 |
% |
~~~ |
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ZrO2 |
%\ |
1.76 |
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Type |
Property |
Units |
Cordierite Porous |
Cordierite Dense |
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1 |
Material Density |
g/cm3 |
1.70-1.90 |
>2.3 |
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2 |
Bulk Density |
g/cm3 |
0.89 |
0.90 |
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3 |
Specific Surface Area |
m2/g |
0.20-0.30 |
-- |
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4 |
Coefficient of Thermal Expansion (20-1000) |
10∧-6/ k |
<3.4 |
<5.0 |
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5 |
Heat Capacity (20-1000) |
J / kg.k |
700-800 |
850-1000 |
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6 |
Thermal Conductivity (350 25C) |
w/ m.k |
1.3-1.5 |
1.5-2.5 |
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7 |
Resistance to thermal Shock (Minimum) |
K |
300 |
250 |
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8 |
Axial crushing strength |
Dry |
Kg/ block |
2000 |
≥4000 |
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Immersion |
≥2000 |
≥4000 |
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9 |
Water Absorption |
% |
25+5 (or -5) |
1-2 (or -2) |
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10 |
Maximum Operating Temperature |
C |
1400.00 |
1400.00 |
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Channels & Dimensions (mm) |
Specifications |
Engnish Units |
Metric Units |
Remarks |
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25*25 |
Width of Channels |
0.193 in |
4.9-0.1(or -0.1)mm |
Also available with any length between 50mm-300mm |
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Inner Walls |
0.043 in |
1.0+0.1 (or -0.1)mm |
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150*150*300 |
Specific surface area |
164.6 ft2/ft3 |
540 m2/m3 |
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Free cross section |
67% |
67% |
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40*40 |
Width of Channels |
0.119 in |
3.0-0.1(or -0.1)mm |
Also available with any length between 50mm-300mm |
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Inner Walls |
0.028 in |
0.7+0.1 (or -0.1)mm |
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150*150*300 |
Specific surface area |
251.5 ft2/ft3 |
825 m2/m3 |
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Free cross section |
64% |
64% |
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43*43 |
Width of Channels |
0.114 in |
2.0-0.1(or -0.1)mm |
Also available with any length between 50mm-300mm |
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Inner Walls |
0.020 in |
0.5+0.1 (or -0.1)mm |
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150*150*300 |
Specific surface area |
304.9 ft2/ft3 |
1000 m2/m3 |
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Free cross section |
72% |
72% |
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50*50 |
Width of Channels |
0.095 in |
2.4-0.1(or -0.1)mm |
Also available with any length between 50mm-300mm |
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Inner Walls |
0.024 in |
0.6+0.1 (or -0.1)mm |
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150*150*300 |
Specific surface area |
306.4 ft2/ft3 |
1050 m2/m3 |
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Free cross section |
63% |
63% |
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60*60 |
Width of Channels |
on request |
on request |
Also available with any length between 50mm-300mm |
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Inner Walls |
on request |
on request |
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150*150*300 |
Specific surface area |
412.4 ft2/ft3 |
1353 m2/m3 |
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Free cross section |
72% |
72% |
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35*35 |
Width of Channels |
0.142 in |
3.6-0.1(or -0.1)mm |
Also available with any length between 50mm-300mm |
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Inner Walls |
0.020 in |
0.5+0.1 (or -0.1)mm |
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150*150*300 |
Specific surface area |
245.4 ft2/ft3 |
805 m2/m3 |
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Free cross section |
79% |
79% |
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Available Specification: 150*100*100(mm), 100*100*100(mm) |
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RTO |
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* Regenerative thermal |
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oxidisers (RTO) |
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* Catalytic oxidisers (CO) |
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* Re Nox processes |
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* Fixed bed adsorbers |
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* Bio-systems |
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* It is mainly used as heat accumulator in steel works, oil and chemical industry, heat and power plant, |
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metallurgy and so on. It need not caot catalyst. |
