
Physical and chemical indicators of anhydrous taphole mud for blast furnace
| Brand Performance | 
 PN-1 | 
 PN-2 | 
 PN-3 | 
 PN-4 | |
| Chemical analysis(%) ≥ | Al2O3 | 15 | 20 | 25 | 25 | 
| SiC | 10 | 12 | 15 | 20(SiC+Si3N4) | |
| C | 10 | 10 | 8 | 8 | |
| Bulk density (g/cm3)≥ | 200℃×24h | 1.65 | 1.7 | 1.9 | 2.0 | 
| Permanent change(%) | 1350℃×3h | -2~1 | -2~1 | -2~1 | -2~1 | 
| Modulus of rupture(MPa)≥ | 1350℃×3h | 4 | 6 | 7 | 8 | 
| Compressive strength(MPa)≥ | 1350℃×3h | 8 | 10 | 15 | 22 | 
| Application | Small blast furnace | Medium blast furnace | Large blast furnace | Large blast furnace | |
 
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