|
|
Corundum castable |
Magnesia-alumina spinel cast |
Corundum spinel castable |
Magnesite chrome ramming |
Magnesite chrome mortar |
Corundum selffow space filling cast |
|
XGJ-93 |
XRAJ-95 |
XRMAJ-90 |
XGJJ-1 |
XMCR-20 |
XMCN-20 |
XAZL-90 |
| Chemical composition |
Al2O3 |
93 |
95 |
(Al2O3 + MgO)95 |
80 |
|
|
|
|
MgO |
|
|
8 |
45 |
45 |
|
|
Cr2O3 |
|
|
|
|
20 |
20 |
|
| Bulk density ≥g/cm3 |
110℃*24h |
2.9 |
3.05 |
3.2 |
2.9 |
|
|
3.0 |
|
1500℃*3h |
|
3.0 |
3.1 |
|
|
|
|
| Cold crushing strength ≥MPa |
110℃*24h |
60 |
60 |
45 |
30 |
30 |
|
60 |
|
1500℃*3h |
70 |
110 |
100 |
60 |
40 |
|
|
| High temperature Modulus of rupture ≥MPa |
110℃*24h |
6 |
|
|
5 |
5 |
1.5 |
|
|
1500℃*3h |
10 |
|
|
7 |
6 |
1.0 |
|
| Liner change after heating % |
1500℃ |
+0.5 |
+0.06 |
+0.3 |
0~+1.0 |
+0.5 |
|
|
| Adhesive time |
|
|
|
|
|
1-3 |
|
| Maximum service temperature ℃ |
1800 |
1800 |
1800 |
1800 |
1800 |
1800 |
1800 |
| Application |
Landle electric furnace |
RH Enter pipe upper and down section |
Landle electric furnace |
Landle electric furnace space filling |
Unshaped Refractory Material for Refined ladle and Steel ladle