China (Mainland)
European Standard Honeycomb Ceramic Heat Storage Substrate:
1.Outside dimensions:150*150*300mm:
2.Channels:50*50=2500
3.Channnel width:2.27mm ,Inner walls:0.7mm
4.Spec.area:1009m²/m³
1.1 Chemical composition
Material Composition
Alumina oxide porcelain
Mullite porous
Cordierite dense
Cordierite porous
Quartz porcelain
SiO2
30~35
25~30
45~50
45~50
63~68
Al2O3
60~65
65~70
40~45
40~45
25~30
MgO
≤0.3
≤0.5
5~9
5~9
≤0.5
K2O+Na2O+CaO
≤3
<1.5
<2
<1.5
≤5
1.2 Physical data
Material Item
Alumina oxide porcelain
Mullite porous
Cordierite dense
Cordierite porous
Quartz porcelain
Density
g/m3
2.68
2.42
2.16
2.31
2.47
Ib/ft3
167.3
151.1
134.9
144.2
154.2
Packing density
Kg/m3
991.6
895.4
799.2
854.7
913.9
Ib/ft3
61.9
55.9
49.9
53.4
57.1
Heat expansion coefficient
10-6K-1
6.2
3.5
3.4
6.2
4.8
10-6 oF-1
3.4
1.94
1.89
3.4
2.7
Specific heat capacity
J/kgk
992
942
1016
998
897
BTU/Ib oF
0.237
0.221
0.243
0.238
0.214
Heat conductivity
w/mk
2.79
1.89
1.63
2.42
1.37
BTU in/ft2 hr oF
19.4
13.1
11.3
16.8
9.5
Temperature change resistance
Max K
500
500
600
550
500
Max oF
900
900
1080
990
900
Softening point
oC
1500
1320
1400
1580
1380
oF
2732
2408
2552
2876
2516
Max service temperature
oC
1400
1200
1300
1480
1280
oF
2550
2228
2372
2696
2336
Average heat capacity
Kwh/m3K
0.273
0.234
0.226
0.237
0.228
BTU/ft 3oF
14.7
12.4
12.4
12.7
12.2
Porosity
%
≤12
≤5
15~20
15~20
≤5
Acid resistance
%
0.2
5.0
16.7
2.5
0.3