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Half-drying Gunning Mass for Converter
Classification
Gunning Mix
DESCRIPTION
Half-drying Gunning Mass for Converter is developed with high-grade magnesia as main material, adding kinds of composite additives.
It is characteristic of good self-flowing effect, short sintering time, good erosion resistance, high adhesion rate, low rebounce rate and etc.
And it is with long service life and can be applied to various parts of converter.
| Item | JDZLBG-1 | JDZLBG-2 | JDZLBG-3 | |
| Chemical content (%) | MgO ≥ | 80 | 78 | 70 |
| SiO2 ≥ | 4 | 6 | 10 | |
| Al2O3 ≤ | 4 | 4 | 4 | |
| Bulk density (g/cm3) ≥ | 110℃×24h | 2.5 | 2.2 | 2 |
| 1400℃×3h | 2.55 | 2.25 | 2.05 | |
| Compressive strength (MPa) ≥ | 110℃×24h | 33 | 30 | 25 |
| 1400℃×3h | 45 | 40 | 35 | |
| Bending strength (MPa) ≥ | 110℃ | 5.1 | 4.5 | 4 |
| 1400℃ | 7.2 | 6.8 | 6 | |
| Application | Repair of converter lining | |||
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