| 1) Chemical analysis |
| Composition |
Value (%) |
| MgO |
11-14% |
| Al2O3 |
32-36% |
| SiO2 |
48-51% |
| Other |
<3% |
|
|
 |
| 2)Compressive strength |
| Direction |
200CSI |
400CSI |
| A（minimum） |
15.0MPa |
15.0MPa |
| B（minimum） |
1.5MPa |
1.5MPa |
| C（minimum） |
0.2MPa |
0.2MPa |
Specimen dimensions Ф25.4mm,length 25.4mm from
A,B and C,where
• A direction: parallel to passageways
• B direction: perpendicular to passageways and parallel to
passageway walls
• C direction: perpendicular to passageways and
45% to passageway walls
Speed: 1mm/min |
|
| 3)Porosity/water absorption |
| Item |
200CSI |
400CSI |
| Minimum |
18.60% |
17.80% |
| Maximum |
23.40% |
20.70% |
| Average（n> 5 per lot） |
22.10% |
19.60% |
| Total pore volume |
0.18-0.24（cm3/g） |
0.18-0.24（cm3/g） |
|
| 4)Bulk density |
| 100CSI |
200CSI |
300CSI |
400CSI |
| 0.46g/m3±15% |
0.43g/m3±15% |
0.50g/m3±15% |
0.48g/m3±15% |
|
| 5)Coefficient
of Thermal Expansion |
| Item |
200CSI |
400CSI |
| Heating rate |
5℃/min,20℃…1000℃ |
5℃/min,20℃…1000℃ |
| Average |
1.5×10-6K-1 |
1.8×10-6K-1 |
|
| 6)Thermal
Conductivity |
7)Specific Heat Capacity |
| 1.5×1.6
W/mK at temperature 25℃…600℃ |
At: 100℃ 200℃ 300℃ |
| |
800KJ/Kg 950KJ/Kg 200KJ/Kg |
|
| 8)Continuous
High Temperature Durability |
|
| Maximum shirnkage
of length after 100 hours at 1200℃ |
| |
200CSI |
400CSI |
| Maximum |
0.5% |
0.1% |
|
| 9)High
Temperature Stability |
10)Gas Flow Resistance |
|
| Maximum
shirnkage after 100 hours at 1450℃ |
Flow speed 16m/s |
200CSI |
400CSI |
| |
200CSI |
400CSI |
Pressure drop｛10-2mmAg/mm｝ |
60 |
130 |
| Maximum |
2.0% |
2.5% |
|
|
|
| 11)Structural
Integrity to Thermal Shock |
| （cooling with water） |
| Cracks start at
approx.800℃ |
| No destruction of
ceramic bodies until approx.1180℃ |
|
| 12)Softening
temperature |
| Definition:temperature,
at which the instantaneous rate of thermal expansion is zero. |
| Procedure:analogous
to coefficient of thermal expansion;determination with extrapolation |
| Minimum:1380℃ |
|
| 13)Technical Specifications for Honeycomb Monolith Catalyst Carrier |
| Type |
Cells per square
inch
（CPSI） |
Wall thickness mm |
Channel width
mm |
Channel
area
mm2 |
Free area
Percent
% |
Inside
surface area
m2/liter |
Approximate
Weight
g/liter |
| CS-23 |
600 |
0.17 |
0.87 |
0.752 |
70 |
3.225 |
580 |
| CS-24 |
600 |
0.2 |
0.84 |
0.700 |
65 |
3.114 |
580 |
| CS-25 |
600 |
0.23 |
0.81 |
0.651 |
61 |
3.002 |
580 |
| CS-26 |
400 |
0.17 |
1.10 |
1.210 |
75 |
2.728 |
480 |
| CS-27 |
400 |
0.2 |
1.07 |
1.745 |
71 |
2.654 |
480 |
| CS-28 |
400 |
0.23 |
1.04 |
1.082 |
67 |
2.579 |
480 |
| CS-29 |
300 |
0.19 |
1.28 |
1.625 |
74 |
2.310 |
500 |
| CS-30 |
300 |
0.22 |
1.25 |
1.550 |
70 |
2.260 |
500 |
| CS-31 |
300 |
0.25 |
1.22 |
1.476 |
67 |
2.200 |
500 |
| CS-32 |
200 |
0.21 |
1.58 |
2.496 |
77 |
1.957 |
435 |
| CS-33 |
200 |
0.24 |
1.55 |
2.396 |
74 |
1.920 |
435 |
| CS-34 |
200 |
0.26 |
1.53 |
2.335 |
72 |
1.895 |
435 |
| CS-35 |
100 |
0.35 |
2.18 |
4.766 |
74 |
1.354 |
465 |
| CS-36 |
100 |
0.38 |
2.15 |
4.635 |
72 |
1.334 |
465 |
| CS-37 |
100 |
0.4 |
2.13 |
4.550 |
71 |
1.323 |
465 |
| CS-38 |
50 |
0.64 |
3.00 |
9.000 |
67 |
0.672 |
565 |
| CS-39 |
50 |
0.67 |
2.97 |
8.821 |
66 |
0.659 |
565 |
| CS-40 |
50 |
0.69 |
2.95 |
8.703 |
65 |
0.650 |
565 |
|
