Clay refractory bricks for resistance furnaces
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Product Introduction
Clay refractory bricks for resistance furnace have good thermal shock resistance and thermal shock resistance, and are suitable for a variety of high-temperature thermal equipment.
The refractory degree of clay bricks is about the same as that of silica bricks, which can reach 1690~1730 °C, but the load softening temperature is more than 200 °C lower than that of silica bricks.
Because the clay bricks contain high refractory mullite crystals, they also contain nearly half of the amorphous glass with low melting point, so that the clay bricks show good performance at high temperatures.
| Projects | Physical and chemical indicators | |||
| RNZ-40 | RNZ-35 | RNZ-30 | ||
| （Al2O3）/% | ≥ | 40 | 35 | 30 |
| Refractoriness, °C | ≥ | 1730 | 1670 | 1610 |
| 0.2Mpa load softening starting temperature，°C | 1300 | 1250 | 1200 | |
| Reburn line variations | Temperature, °C | 1350 | 1300 | |
| Time, h | 2 | |||
| % | -0.5~0 | |||
| Apparent porosity/% | ≤ | 26 | 28 | |
| Compressive strength at room temperature/Mpa | ≥ | 20.0 | 15.0 | 12.5 |
Key words:
Clay refractory bricks for resistance furnaces
Clay refractory bricks
Clay bricks
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