|
|
Chrome-Zirconia bricks |
Chrome corundum bricks |
Corundum heat-insulating refractory bricks |
|
XDCZ-90 |
XDCZ-60 |
XDCA-12 |
XDAK-98 |
| Cr2O3 ≥% |
87 |
62 |
12 |
|
|
ZrO2≥% |
4-5 |
|
|
|
|
Al2O3 ≥% |
|
30 |
88 |
98.5 |
| SiO2 ≤% |
|
|
|
0.7 |
| Fe2O3 ≤% |
0.3 |
0.3 |
0.3 |
0.3 |
| Bulk density ≥g/cm3 |
4.2 |
3.7 |
3.25 |
1.4 |
| Apparent porosity |
16 |
16 |
17-19 |
|
| Cold crushing strength≥MPa |
120 |
120 |
120 |
10 |
| 0.2MPa Refractoriness under load ≥℃ |
1700 |
1700 |
1700 |
1700 |
| Thermal expansion 10-6K-1≤% |
6.8 |
7.5 |
8.3 |
|
|
Linear change after heating ≤% |
|
|
|
-0.3 |
| Thermal ConductivityY≤W/m.k |
400℃ |
|
|
|
1.25 |
|
800℃ |
|
|
|
1.4 |
|
1000℃ |
2.4 |
2.9 |
4.4 |
1.3 |
|
Application |
High Deterioration（Bottom Side Wall and Taper） |
Furnace insolution line |
Refractory Material for Coal-Water for Gasifiers