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Ultra low porosity high alumina brick

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Ultra low porosity high alumina bricks are made from high alumina bauxite as the main raw material, with the addition of a composite binder. They are sintered at high temperature after strengthening the close bonding between the matrix and particles.

Performance indicators of ultra-low porosity high alumina bricks

GradeLZ-75LZ-65LZ-55LZ-80
AL2O3% ≥75655585
Fe203%&lt2.52.52.62
Volume density g/cm ³2.52.42.32.6
Normal temperature compressive strength MPa&gt70605080
Load softening temperature ℃1510146014201550
Fire resistance ℃&gt1790177017701790
Apparent porosity%&lt22232421
Line change rate%-0.3-0.4-0.4-0.2

Ultra low porosity high alumina brickUltra low porosity high alumina brickUltra low porosity high alumina brick

Ultra low porosity high alumina brick
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