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High Alumina Refractory brick Specifications:
Item Properties | Al2O3% ≥ | Fe2O3% ≥ | Zr2O% ≥ | Refractory°C ≥ | Apparent Porosity% ≥ | Bulk density g/cm3 ≥ | Cold crushing strength Mpa ≥ | Refractoriiness under load 0.2MPa °C≥ | Permanent linear change% |
HIGH-ALUMINA BRICK FOR ELECTRICAL ARCH FURNACE | |||||||||
FR-80 | 80 | 1790 | 19 | 78.5 | 1530 | 0-0.3 | |||
FR-75 | 75 | 1790 | 19 | 68.6 | 1530 | 0-0.4 | |||
HIGH-ALUMINA BRICK FOR BLAST FURNACE | |||||||||
FR-65 | 65 | 2.0 | 1790 | 19 | 58.8 | 1500 | 0-0.2 | ||
FR-55 | 55 | 2.0 | 19 | 49.0 | 1480 | 0-0.2 | |||
FR-48 | 48 | 2.0 | 18 | 49.0 | 1450 | (1450°C×2h))0-0.2 | |||
THERMAL SHOCK RESISTANCE HIGH-ALUMINA BRICKS | |||||||||
FRLZ-75 | 75 | 5-7 | 23 | 2.6 | 50 | 1500 | |||
FRLZ-70 | 70 | 5-7 | 25 | 2.55 | 45 | 1470 | |||
LOW GREEP HIGH-ALUMINA BRICKS | |||||||||
FRDRLZ-80 | 85 | 20 | 60 | (1550°C)0.8 | |||||
FRDRLZ-75 | 75 | 20 | 55 | (1550°C)0.8 | |||||
FRDRLZ-65A | 65 | 19 | 50 | (1450°C)1.0 | |||||
FRDRLZ-65B | 65 | 22 | 45 | (1400°C)0.8 | |||||
FRDRLZ-60 | 60 | 22 | 40 | (1300°C)0.8 | |||||
FRDRLZ-50 | 50 | 22 | 40 | (1250°C)0.7 | |||||
FRZM-1650 | 60 | 1790 | 20 | 2.55 | 90 | 1600 | 10cm3 | ||
FRZM-1680 | 65 | 1800 | 19 | 2.60 | 85 | 1650 | 12cm3 |
Refractory Brick