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| Material: | Tap-hole Clay | AL2O3 Content: | ≥50% |
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| Color: | Black | Size: | Customized |
| Performance: | Good Plasticity, Gas Permeability | Application: | Reduce The Corrosion Of The Lining Brick Around The Tap Hole And The Bottom Of The Furnace By Molten Iron And Slag |
| High Light: | insulating castable refractory,kiln insulation materials |
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Anhydrous tap-hole clay
Advantages of Anhydrous tap-hole clay:
1, With high refractoriness, high temperature resistance and scouring of slag iron;
2, Good wear resistance, high strength, good filling and sintering ability after drying;
3, Good plasticity, gas permeability;
4, Long time of constant iron output, long shelf life, increase the amount of iron;
5, Good corrosion resistance, filling and wear resistance can reduce the corrosion of the lining brick around the tap hole and the bottom of the furnace by molten iron and slag, and better protect the lining and hearth of the tap hole area of the blast furnace, which is beneficial to extend the service life of the blast furnace body.
| Item | JDPN-N1 | JDPN-N2 | JDPN-N3 | ||
| Chemical content (%) | Al2O3 ≥ | 50 | 30 | 25 | |
| SiC ≥ | 17 | 11 | 8 | ||
| F.C ≥ | 6 | 9 | 13 | ||
| Cold crushing strength (MPa) ≥ | 300℃×24h ≥ | 3.5 | 3 | 2 | |
| 1350℃×3h ≥ | 13 | 10.5 | 8.5 | ||
| Linear change rate (%) ± | 1450℃×3h | 1.65 | 1.8 | 2.0 | |
| Bulk density (g/cm3) ≥ | 110℃×24h | 1.8 | 1.75 | 1.65 | |
| Remark | The specification is just for reference only. The real products will be tailored to special operation conditions and customer’s special requirements. | ||||
Contact Person: Astra
