1. Product Description
Honeycomb Ceramic for Heat Exchange has low heat expansion coefficient, large surface area, good heat stability and anticorrosion. It's the core components of regenerative high temperature combustion.It can save 10-70% energy under various types.
2. Physical & Chemical Properties
Type Item
Alumina
Mullite
Dense Cordierite
Porous Cordierite
Mullite-Cordierity
Corundum-Mullite
Chemical composition,％
Al2O3
48-55
66-72
32-36
32-37
55-65
20-26
SiO2
40-45
25-30
45-52
46-52
28-36
68-75
MgO
5-8
8-12
2.5-3.2
0.2-0.3
K2O+Na2O+CaO
4.0-5.5
≤1.0
≤3.0
≤2.0
2.5-4.0
Density,g/cm3
2.7
2.9
2.4-2.6
1.9-2.0
2.9-3.2
2.3-2.5
Coefficient of thermal
expansion (20-1000℃),×10-6·℃
5-7
5.5-6.5
2.5-3.5
1.3-2.5
Heat capacity (20-1000℃),j/kg·℃
800-900
1100-1300
800-1200
750-900
850-1100
840-920
Thermal conductivity (20-1000℃)W/m·℃
1.5-2.5
1.5-2.0
1.5-2.58
1.3-1.5
1.5-2.3
1.0-1.2
Spalling resistance,℃
≥150
≥350
≥250
≥360
Max Working temp.℃
1300
1600
1400
3. Type and Size
1
2
3
4
5
6
Number of channels
5×5
13×13
20×20
25×25
40×40
50×50
Channel density,cm-2
0.15
7
11
Width of channel,mm
26.3
9.2
6.4
4.9
3.0
2.3
Thickness of wall,mm
1.5
1.2
1.0
0.7
Surface area,m2/m3
117
278
455
540
825
1005
Free cross-section,%
77
74
73
67
65
57
Size,mm
Standard sizes：150×150×600/450/300/150/100/50 Others：100×100×100/40
Contact person：Jane peng E-mail:jane@pxlihua.com
Skype:pxlihuajane
Tel：0086-799-6886893 Fax：0086-799-6835693 Mobile:0086-18979985936