Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd
High Quality Industrial Refractory Material Manufacturer And Supplier
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Product Description of High Density Fireclay Brick Refractory Fire Clay Brick Al2o3 30-48% fire clay brick for Chemical Industry
Fireclay brick is made from clinker clay by mixing, forming, drying, sintering and matching characterized by good resistance to corrosion and abrasion, good thermal shock resistance, good spelling resistance, high mechanical strength, good volume stability under high temperature.
Physical and Chemical Indicators of Refractory Fire Clay Brick :
| Items | Index | ||||||||
| N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 | ||
| Refractoriness, °C ≥ | 1750 | 1730 | 1730 | 1710 | 1710 | 1690 | 1670 | 1580 | |
| Refractoriness Under Load, °C, [0.2MPa×0.6%] ≥ | 1400 | 1350 | -- | 1320 | -- | 1300 | -- | -- | |
| Linear Change on Rehearting, % | 1400°C×2h | +0.1 -0.4 | +0.1 -0.5 | +0.2 -0.5 | -- | -- | -- | -- | -- |
| 1350°C×2h | -- | -- | -- | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | -- | |
| Apparent Porosity, % ≤ | 22 | 26 | 24 | 24 | 26 | 24 | 26 | 28 | |
| Cold Crushing Strength, MPa ≥ | 30.0 | 20.0 | 25.0 | 20.0 | 15.0 | 20.0 | 15.0 | 15.0 | |