High alumina castable is a kind of refractory castable made of high alumina bauxite aggregate as main raw materials, add calcium alumina cement as binders. If has high good resistance to thermal shock and wear resistance.
High alumina castable is widely used as lining of various furnaces as boilers, hot blast stoves, hearing furnaces, ceramic kiln, etc.
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High Alumina Castable |
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Chemical Analysis |
Al2O3 |
≧65 |
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SiO2 |
≦25 |
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Cold Bending Strength (MPa) |
110℃*24H |
8 |
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1100℃*3H |
8 |
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Linear Change After Heating % |
1100℃*3H |
±0.4 |
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1500℃*3H |
/ |
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Refractoriness |
≧1710 |
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