Tundish Covering agent :
1) Thermal Insulation, Preventing Incrustation of Tundish Molten steel.
2) Insolated from the air, Prevented Secondary Oxidization of Molten steel. Reduce the Content of Inclusions in molten steel.
3) Adsorbed No-Metallic Inclusions in Molten steel.
4) fast spread the surface of Tundish ,Less consumption thus reduce the production cost .
| Item | Tundish covering agent index | Ladle covering agent index | |||||
| grade | LRZFG-1 | LRZFG-2 | LRZFG-3 | LRZFG-1 | LRZFG-2 | LRZFG-3 | |
| Chemical composition wt% | CaO | 32~42 | 35~45 | 45~50 | 3~4 | 26~28 | ≤5 |
| Al2O3 | ≤10 | ≤10 | ≤5 | 17~19 | 13~15 | 10 | |
| SiO2 | 22~32 | 22~32 | 19~24 | 41~44 | 30~32 | ≤20 | |
| MgO | 15~20 | 16~25 | 8~12 | 5~7 | 4~6 | 40~50 | |
| Fe2O3 | ≤2.0 | ≤2.0 | ≤2.0 | / | / | / | |
| C | 5~10 | 3~8 | ≤0.8 | 15~17 | 8~10 | ≤0.5 | |
| H2O | ≤1.0 | ≤1.0 | ≤1.0 | ≤0.5 | ≤0.5 | ≤0.5 | |
| Melting temperature℃ | 1410±15 | 1410±15 | ~1480 | 1610 | 1514 | 1520±30 | |
| Capacity g/cm3 | / | / | / | ≤0.5 | ≤0.7 | ≤0.6 | |
| annotate： | 1.grain size | -100 mesh min ≤92%，the grain size can be adjusted according to different request | 0.1~0.2（the grain size can be adjusted according to different request） | ||||
| 2.packing | Based on customer’s demand | Based on customer’s demand | |||||
| 3.index | The index can be adjusted based on customer’s request | The index can be adjusted based on customer’s request | |||||
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Tundish Covering agent
Tundish Covering agent
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