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High Temperature, Acid and Alkali Resistant Grid Brick Alumina Beam1
Refractory MaterialAcid and Alkali Resistant Grid Brick Alumina BeamGrid BrickCeramic Brick
Pingxiang Zhongci Environmental Ceramics Material Co., Ltd.
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Product Description Product Description High temperature, acid and alkali resistant Grid Brick Alumina beamGrid Brick Alumina beam refers to a BRICK product with an Al2O3 content of 30% to 60% aluminum . Grid bricks are used in secondary parts of coke ovens, such as regenerator wall sealing, small flue lining bricks and regenerator grid bricks, furnace door lining bricks, furnace roofs and riser lining bricks.Grid bricks are weakly acidic refractory products, which are resistant to the attack of acid slag and acid gas. The Grid bricks have good thermal properties and are resistant to rapid cooling and rapid heat.High alumina bricks are refractory products of aluminum silicate or alumina with Al2O3 content greater than 48%. High alumina bricks are mainly used for laying blast furnaces, hot blast stoves, electric furnace tops, blast furnaces, reverberatory furnaces, and rotary kiln linings. Technical DataPhysical indexUnitL1L2L3L4Densitykg/m3200±10%230±10%250±10%270±10%Cold Crushing StrengthMpa≥0.60≥0.80≥0.90≥1.00Flexural StrengthMpa≥0.35≥0.45≥0.50≥0.55Maximum Service Temp.oC1000oC1000oC1000oC1000oCLinear Shrinkage(1000oCx16hrs)%≤2≤2≤2≤2 Thermal Conductive w/(m.k)200oC 0.075 400oC 0.098 600oC 0.150 800oC 0.210200oC 0.085 400oC 0.100 600oC 0.152 800oC 0.214200oC 0.095 400oC 0.108 600oC 0.156 800oC 0.216200oC 0.098 400oC 0.110 600oC 0.158 800oC 0.218Compression Strength at 10% Deformation after 16hrs*1000oCMpa0.320.400.450.50Porosity%90.8090.6090.4090.00Moisture Content%3-5%PH Value%8-9%Color/White, graySurface Condition/1.Original dimple pattern.2.Double sanded, smooth and good flatness. Company Profile
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