High alumina brick product description

High alumina bricks according to their aluminum oxide (Al2O3) content of the number of different, currently used to 48%, 55%, 60%, 65%, 73%, 75%, 80% and so on.
According to the content of the number of 55 The following is called clay brick, is a neutral refractory material made of bauxite or other high alumina content of the material made by firing molding. High thermal stability, fire-resistant temperature at 1700 ° C or so, for glass furnace, cement rotary kiln, steel electric furnace lining. Of course, there are some with high soft load, low creep, low porosity high alumina clay brick, high alumina brick finished products, based on the different needs of the production side of the raw material ratio is essential.
The alumina brick and clay brick is not only the alumina content is not the same, their production process is similar, but with a higher guess in clinker incorporation can reach 90-95%, firing temperature than clay brick A lot higher. In the actual test, one or two high alumina bricks are mostly used in tunnel kilns, blast furnaces, furnace roofs, reflecting furnaces, rotary kiln linings and many other kilns at a temperature of 1500-1600 ° C.
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