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Corundum self-flow wear-resisting castable for CFB boiler
Corundum self-flow wear-resisting castable for CFB boiler according to different brand numbers uses various of artificial synthetic materials such as high-Al bauxite, corundum and silicon carbide as the main materials, adding with various of admixtures and high efficiency watering reducing agents, liquid agents, thus enhances the flowing property.
Characters of Corundum self-flow wear-resisting castable for CFB boiler:
1. In the case of not increasing water consumption, it is only dependent on the self-weight and potential difference of the material to produce the flow.
2. In the state of non-vibration, the construction can be done in the places where the cracks and the unshakeable areas, which has a good quality of construction. It’s mainly used for the difficult construction, wearing and tearing badly parts of the lining of CFB and other thermal equipment.
| Corundum self-flow wear-resisting castable for CFB boiler | Brand | ||
| DFNMZLJ-1 | DFNMZLJ-2 | ||
| Al2O3 （%）≥ | 80 | 85 | |
| SiO2 （%）≤ | 15 | 13 | |
| Cold crushing strength（MPa）≥ | 110℃×24h | 85 | 90 |
| 815℃×3h | 95 | 110 | |
| 1100℃×3h | 120 | 130 | |
| Bending strength （MPa）≥ | 110℃×24h | 12 | 14 |
| 815℃×3h | 14 | 15 | |
| 1100℃×3h | 16 | 17 | |
| Bulk density（g/cm3） | 2.8 | 2.9 | |
| Wear extent at normal temperature（cc）≤ | 6.5 | 5 | |
| Resistance to thermal shock times （900℃water-cooling）≥ | 25 | 25 | |
| Flow value（mm）≥ | 200 | ||
