It is made of corundum, high quality bauxite chamotte, SiC, bonded clay, binder, superfine powder, admixture and other materials.
Features: strong erosion resistance, good thermal shock stability, fast baking, non-stick iron during use. More Iron influx, long service life, easy to repair
Application: large and medium-sized blast furnace iron runner and slag runner.
Main physical and chemical performance index:
|
Index |
TJ-1 |
TJ-2 |
TJ-3 |
TJ-4 |
TJ-5 |
|
|
Al2O3 % ≥ |
70 |
65 |
60 |
55 |
50 |
|
|
SiC +C % ≥ |
16 |
16 |
14 |
14 |
12 |
|
|
Bulk density (110℃) g/cm3 ≥ |
3.0 |
2.90 |
2.9 |
2.8 |
2.8 |
|
|
CCS MPa ≥ |
110℃ |
30 |
30 |
25 |
25 |
25 |
|
|
1450℃ |
70 |
65 |
60 |
60 |
60 |
|
MOR MPa ≥ |
110℃ |
5 |
5 |
5 |
5 |
5 |
|
|
1450℃ |
15 |
15 |
15 |
12 |
12 |
|
Linear change after heating % |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
|
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