Porous Cordierite Honeycomb Monolith

Ceramic honeycomb used for RTO application

Cordierite is a magnesium alumina silicate material, which has very low linear expansion, low coefficient of thermal expansion and excellent resistance to thermal shock. Cordierite also offers an excellent range of mechanical strength, porosity criteria, and excels in cost-effective extruded and dry-pressed forms.

Cordierite Honeycomb Monoliths are divided into two types: porous type and compact type.

Chemical composition

SiO2 Al2O3 MgO Fe2O3 Na2O K2O
48-51% 31-34% 14-16% <0.5% <0.5% <0.5%

Phisical properties

Index Value
Cordierite gross density(g/cm3) 1.9-2.0
Average linear expansion(20-1000℃) (10-6/k-1) <2
Specific heat capacity(KJ/Kg) 830-900
Temperature cycle resistance(K) 300
Max operation Temp.(℃) 1300
Thermal shock resistance(℃) 800
Acid resistance(%) >99
Alkali resistance(%) >85
Water absorption(Wt%) 22±5

Technical specifications

Spec. Quantity of channels Wall thickness (mm) Surface area (m2/m3) Free volume (%) Average weight (min.) (kg/m3)
150*150*300 60*60 0.5 1315 70 680
150*150*300 50*50 0.7 1050 58 680
150*150*300 40*40 0.7 883 65 518
150*150*300 25*25 1 573 67 502

Usage

Used in the petroleum chemical engineering, garbage incineration, coating and paints chartered plane, also applied in the industry waster gas and waste water processing etc.

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