Product detail
Andalusite Brick
Composition:Al2O3+SiO2
Application:Coke oven, hot blast stove, carbon blake furnaces, etc
Al2O3:50-65%
Capacity:500 tons per month
Size:As your requirements
Raw Material:Andalusite
Refractoriness:>1790℃
Package:Export wooden pallets and polyboard
Product Introduction
Andalusite Brick is an alternative product for high aluminum bricks, used in the professional of the key parts of the furnaces. It has high cold crushing strength, high refractoriness under load, high thermal stability, good creep resistance and thermal shock resistance.
Features
1.Good Creep Resistance.
2.High Cold Crushing Strength.
3.Good Thermal Shock Resistance.
4.High Thermal Stability.
Application
The andalusite brick can be used in the cooling wall of blast furnace, chemical and ceramic industry, the door of coke oven or as the lining and checker of hot blast furnaces.
Product Parameters
| Item | H55 | H62 | H65 | GMH-53 | GMH-60 |
| Al2O3(%) | >=55 | >=62 | >=65 | >=53 | >=60 |
| SiO2(%) | — | — | — | — | — |
| Fe2O3(%) | <=1.2 | <=1.2 | <=1.2 | <=1.2 | <=1.0 |
| Bulk density（g/cm3） | >=2.45 | >=2.5 | >=2.5 | — | — |
| Cold crushing strength (110℃)（N/mm2） | >=60 | >=60 | >=60 | >=50 | >=60 |
| Thermal shock resistance（Cycles） | — | — | — | >=20 | >=25 |
| Thermal expansion（%） | <=0.55 | <=0.55 | <=0.55 | — | — |
| Apparent porosity（%） | <=17 | <=17 | <=17 | <=18 | <=18 |
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