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High alumina bricks for circulating fluidized bed boiler
Al₂O₃ (%)≥65~85; Fe₂O₃ (%)≤2.0Cold crushing strength(MPa): 50~70Permanent linear change 1500℃×2h (%) : +0.1~-0.4
High alumina bricks for circulating fluidized bed boiler can be used as linings of material-returning vessel, economizer wall, mixing chamber inner wall, flue gas duct and chimney.