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Tap Hole Clays
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| Tap Hole Clays for Blast
Furnaces |
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| Product |
Ferroclay 23 |
Ferrocaly 704 |
Ferroclay 55R |
| Application |
Tap hole clay |
Tap hole clay |
Tap hole clay |
| Chemical Analysis, % |
SiO2 |
65-70 % |
65-70 % |
21% |
| Al2O3 |
8%, min |
6% min |
54% |
| SiC |
5%, min |
4%, max |
19% |
| Fe2O3 |
1,5%, max |
1,5%, max |
14% |
| C |
9%, min |
9%, min |
12% |
| Bond |
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Organic-ceramic |
| Grain size, mm |
0 - 6 |
0 - 6 |
0 - 6 |
| Density, kg/lt |
1,8 |
1,8 |
2,23 |
| Qualities after backing |
Cold crushing strength, kg/cm2 at 110°C |
50 |
50 |
12 |
| Density, kg/lt |
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|
2,15 |
| Porosity, % |
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|
20 |
| Application temperature °C
|
1650 |
1650 |
1650 |
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