| Brand Properties |
HR-F1 |
HR-F2 |
HR-F3 |
HR-F4 |
HR-F5 |
HR-F6 |
HR-F7 |
| Chemical Composition (%) |
Al2O3 |
70 |
60 |
65 |
60 |
70 |
65 |
65 |
| SiO2 |
10 |
20 |
10 |
15 |
14 |
10 |
10 |
| Bulk density after burnt (g/cm3) |
¡Ý2.85 |
¡Ý2.80 |
¡Ý2.65 |
¡Ý2.50 |
¡Ý2.80 |
¡Ý2.65 |
¡Ý2.5 |
| Bending Strength( MPa) |
110¡ãC¡Á24h |
4.0 |
4.0 |
4.0 |
4.0 |
4.0 |
3.0 |
4.0 |
| 1450¡ãC¡Á3h |
7.0 |
6.0 |
7.0 |
5.0 |
8.0 |
6.0 |
6.0 |
| Compressive Strength ( MPa) |
110¡ãC¡Á24h |
25 |
20 |
25 |
20 |
25 |
20 |
20 |
| 1450¡ãC¡Á3h |
40 |
30 |
40 |
30 |
50 |
50 |
30 |
| Linear changing after burnt at 1450¡ãC¡Á3h (%) |
0-+0.5 |
0-+0.5 |
0-+0.5 |
0-+0.5 |
0-+0.5 |
0-+0.5 |
0-+0.5 |
| Usage |
Main iron channel |
Main slag channel |
Branch iron channel |
Branch slad channel |
Main channel,asway channel |
Branch iron channel |
Main Channel |
| Note |
For the blast furnace above 2000m3 |
Blast furnace 1000-2000m3 |
Blast furnace 1000m3 |
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