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| Refractories Castables For Metallurgical Industry-Castables Refractories For Trough In Blast Furnace |
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| Castables Refractories For Trough In Blast Furnace |
Technical Data
| Item |
MT-TC |
MT-M |
MT-SA |
MT-TZ |
MT-TP |
JLT-1 |
JLT-2 |
| Chemical composition |
Al2O3 %≥ |
75 |
68 |
60 |
65 |
70 |
68 |
72 |
| Sic+C %≥ |
18 |
15 |
12 |
14 |
15 |
15 |
15 |
| Bulk density(g/cm3) |
110℃×24h |
2.88 |
2.75 |
2.70 |
2.75 |
2.65 |
2.80 |
2.85 |
| 1450℃×3h |
2.80 |
2.70 |
2.60 |
2.65 |
2.60 |
2.70 |
2.75 |
| Cold crush strength Mpa ≥ |
110℃×24h |
30 |
30 |
25 |
30 |
30 |
20 |
20 |
| 1450℃×3h |
65 |
50 |
50 |
60 |
50 |
45 |
50 |
| Modulus of rupture Mpa ≥ |
110℃×24h |
4.0 |
4.0 |
4.0 |
5.0 |
8.0 |
3.5 |
3.5 |
| 1450℃×3h |
7.0 |
6.0 |
6.0 |
8.0 |
12.0 |
6.0 |
7.0 |
| permanent linear change % |
1450℃×3h |
±0.3 |
±0.3 |
±0.3 |
±0.3 |
±0.3 |
±0.5 |
±0.5 |
| Water required % |
4.5-5.0 |
4.5-5.2 |
5,0-5,5 |
5.0-5.5 |
- |
5.5-6.5 |
5.5-6.5 |
| Self-flowing % |
- |
- |
- |
- |
- |
80-130 |
70-120 |
| main use |
the iron trough for the large blast furnace |
the iron trough for the middle and samll blast furnace |
branch iron trough |
branch slag trough |
skimmer |
construction quickly at high temperature |
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