
| Item | Data | |
| Brand-1 | Brand-2 | |
| PN | GN | |
| Al2O3, % | ≥35 | ≥33 |
| SiC+C, % | ≥30 | ≥32 |
| Apparent Porosity, 1450ºC×3h, % | ≤33 | ≤32 |
| Bulk Density,1450ºC×3h, g/cm3 | ≥1.8 | ≥1.9 |
| Cold Crushing Strength, 1450ºC×3h, Mpa | ≥4 | ≥5 |
| Bending Strength, 1450ºC×3h, Mpa | ≥2 | ≥2 |
| Linear Variation, 1450ºC×3h, % | ±2.0 | ±1.5 |
| Marshall Value, Mpa* | Test Data | |

Characteristic
Shoot out by taphole gun smooth
Protect taphole depth stably
Good plastic and sintering
Good volume stability at high temperature
Resistance to erosion & washing
erosion & washing






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