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High Alumina Insulating Brick for Blast StoveE-mail: firstname.lastname@example.org
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Refractoriness (℃):1580< Refractoriness< 1770
Feature:Long Time Materials
High Alumina Insualting Brick Al2O3:48%
High Alumin Insulating Brick Fe2o3:2.0
Bulk Density:1.0 g/cm3
Cold Crushing Strength:3.92 MPa
Thermal Conductivity Coefficient:0.45 W/M.K
Permanent Linear Change:1400 Degree
It is produced by foam coagulation technique.
1. It has advantages with small bulk density, high cold crushing
strength, and high refractoriness under load, small dimension
tolerance and good thermal shock resistance.
2. It has the lowest and most stable thermal conductivity in
various insulating refractory bricks.
3. It can reduce the total weight of furnace body and the thickness
of furnace wall effectively, improve heat efficiency, lower energy
consumption, improve work conditions and production efficiency, and
considerable economic benefit can be obtained.
It is not only widely used in insulating layers of various of
thermal processing equipments, such as hot blast furnace, coke
oven, glass kiln, etc, but also apply to linings in parts of
furnace without strong high-temperature molten material erosive.
|Item||High Alumina Insulating Brick|
|Cold Crushing StrengthMpa||≥3.92||≥3.43||≥2.94||≥2.45||≥1.96||≥1.47||≥0.78|
|Thermal Conductivity Coefficient w/m.k||≤0.45||≤0.45||≤0.35||≤0.35||≤0.3||≤0.25||≤0.20|
|Test Temperature of Permanent Linear Change Rate≤2%
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