Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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Customized Size Heat Resistant Bricks , High Alumina Fire Bricks Natural Yellow Color
Feature For High Alumina Fire Brick:
1. Low bulk density, low thermal conductivity, good thermal insulation performance.
2. Refractory category allow direct contact of fire, suitable ofr various atmosphere
3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely
4. Product specification: standard form, normal standard, shaped and special shaped bricks.
5. Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the most widely used.
Apllication For High Alumina Fire Brick :
Physical and Chemical Indicators For High Alumina Fire Brick :
| Items | Index | |||
| SK-38 | SK-37 | SK-36 | SK-35 | |
| Al2O3 %,≥ | 75 | 65 | 55 | 48 |
| Cold Crushing Strength, MPa ≥ | 54 | 49 | 44 | 40 |
| Apparent Porosity, % ≤ | 23 | 23 | 22 | 22 |
| Refractoriness Under Load, °C ≥ | 1520 | 1500 | 1470 | 1420 |
| Linear Change on Reheating , [1500°C×2h]% | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | [1500°C×2h] +0.1-0.4 |
| Refractoriness, °C ≥ | 1790 | 1790 | 1770 | 1750 |
