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High Alumina Bricks

High Alumina Bricks

Country/Region china
Company Zhengzhou Rong Sheng Kiln Refractory Co., Ltd
Categories High Alumina Brick
Update 2019-11-16 02:34:42
ICP License Issued by the Chinese Ministry
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High Alumina Bricks are characterized by high Al2O3 content, so its series of high temperature working properties are superior to clay refractories. When the Al2O3 content is less than 72%, the high temperature solid phase which is stable before the temperature of 1850C is mullite. In addition to the mullite composition, the remaining SiO2 forms a liquid phase at a high temperature. When the composition of the high alumina brick is close to the composition of mullite (71.8% Al2O3, 28.2% SiO2), the amount of liquid phase formed is reduced, and the fire resistance of the product is enhanced. Therefore, high alumina fire brick with Al2O3 content less than 72% increases with the content of Al2O3, and the mullite content in the product increases, and the fire resistance also increases accordingly.

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