The two-piece or three-piece covers used on the block can improve the tightness and greatly save energy consumption of the furnace.
The refractory clays are the refractory prefabricated block with high-strength and high density, which are made of the M45 mullite as the aggregate, the mullite as the matrix obtained from self-reaction in high temperature and other special additives. The refractory clays are strong in thermal shock resistance, small change in volume and good in high temperature erosion resistance, which can extend the service life of the furnace. The two-piece or three-piece covers used on the block can improve the tightness and greatly save energy consumption of the furnace.
| Item | Index | |
| ZXGQ-45 | ZXGQ-65 | |
| Al2O3 | ≥45% | ≥65% |
| BD | ≤2.4g/cm3 | ≤2.6g/cm3 |
| MOR | ≥5Mpa(110℃×24h) | ≥6Mpa(110℃×24h) |
| ≥8Mpa(1500℃×3h) | ≥10Mpa(1500℃×3h) | |
| CCS | ≥55Mpa(110℃×24h) | ≥60Mpa(110℃×24h) |
| ≥80Mpa(1500℃×3h) | ≥90Mpa(1500℃×3h) | |
| Service Temp | 1450℃ | 1500℃ |
| Application | Prefabricated Furnace Blocks | 2Piece or 3Piece |
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