Specifications
High Alumina Refractories Brick1.High temperature resistance
2.High strength
3.good heat-insulating
Refractory Bricks Fire Brick For Pizza Oven
High?alumina?brick packing
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High?alumina?brick?refers?to?fire?brick?containing?Al2O3?more?than?48%,?which is?made?of?high?
grade?bauxite through?high?temperature?calcinations.?High alumina?brick?is?a?kind?of? neutral
refractory material?so?that?it?enjoys?excellent resistance?to?acid?and?alkali corrosion. It?has
characteristic?of?high refractoriness?under?load,?which?decide?high?alumina?brick?is?an?ideal?
material for?various?kinds?of?industrial?furnace.?It?is?widely?used?in?building?lining?of hot-blast?stove,
blast furnace,?coke?oven,?rotary?kilns?of?cement?and?so?on.
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?High?Alumina?FireBricks? | |
Dimension | ?230*114*65(mm)? |
Bulk?Density | ??2.05,2.1-2.15,?2.3-2.4,?2.4,?2.5? |
Packaging?Details | ?Pallet?covering?by?PE?membrane? |
Applications | Metallurgy,?Chemical?industry,?Heat?treatment?furnace. |
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High?alumina?brick application
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1.??Furnaces?of?metallurgy?industry,?heat?treatment?furnace
2.??Furnaces?of?chemical?industry?and?construction?industry
3.??Furnace?of?incineration?of?garbage,?recirculating?fluidized?bad?furnace
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High?alumina?brick specification
Brand | SK-34 | SK-36 | HA-60 | HA-70 | HA-75 |
Al2O3(%) | >42 | >50 | >60 | >70 | >80 |
Fe2o3(%) | <2 | <2 | <2 | <2 | <2 |
Refractoriness | 1750 | 1750 | 1770 | 1790 | 1790 |
refractoriness?under?load?0.2mpa(C) | 1450 | 1450 | 1450 | 1510 | 1530 |
Porosity(%) | 19-23 | 19-23 | 19-23 | 19-23 | 19-23 |
Bulk?density(g/cm3) | >2.2 | >2.3 | >2.35 | >2.4 | >2.4 |
Cold?cushing?strength?(mpa) | >30 | >40 | >45 | >50 | >60 |
Thermal?expansion?at?1000C(%) | <0.6 | <0.6 | <0.6 | <0.6 | <0.6 |
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Characteristices?of?high?alumina?brick
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1.High?intensity?for?pressure
2.?Good?thermal?shock?stability
3.?Strong?abrasion?and?corrosion?resistance?
4.?High?cold?crushing?strength?
5.?Excellent?abrasion?resistance?at?cold?and?hot?conditions
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Advantages of?high?alumina?brick
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1?Excellent?thermal?stability
2?High?refractoriness?under?load
3?Chemical?stability?and?anti-corrision
4?Small?high?temperature?creep?rate
5?Excellent?thermal?shock?resistance
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