Andalusite Brick

  • Andalusite Brick

Product Description And Parameters

Composition:Al2O3+SiO2

Application:Coke oven, hot blast stove, carbon blake furnaces, etc

Al2O3:50-65%

Raw Material:Andalusite

Refractoriness:≥1790℃

Capacity:500 tons per month

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.

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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