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High Alumina Insulating Brick

(1.1)
Supplier From China
Jan-20-17

It is produced by foam coagulation technique.

Features:
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.

Application:
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
LG-1.0 LG-0.9 LG-0.8 LG-0.7 LG-0.6 LG-0.5 LG-0.4
Al2O3 % 48
Fe2O3 % 2.0
Bulk Density g/cm3 1.0 0.9 0.8 0.7 0.6 0.5 0.4
Cold Crushing Strength Mpa 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% C 1400 1400 1400 1350 1350 1250 1250

Price and Minimum Quantity

Price: $700
MOQ: Not Specified
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High alumina brick refers to refractory products with Al2O3 content higher than 48%.It is made of bauxite or other raw materials of high alumina content .The refractoriness of high alumina brick can be more than 1770 C .
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1.Description
High alumina fire brick contain al2o3 more than 48%, which is made of high grade bauxite through high temperature calcinations. Its refractories is usually above 1770 ¡ãc. The main mineral components are corundum and mullite phases. It is a kind of neutral refractory material so that it enjoys excellent resistance to acid and alkali corrosion. According to al2o3 content, it can be divided into three degrees:the al2o3 content is more than 75%.The al2o3 content range from 60% to 75%.The al2o3 content range from 48% to 60%.
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5.Good thermal spalling resistance.
6.High mechanical strength.
7.Good volume stability at high temperature.
3.Applications
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On wooden pallets with plastic cover
Pallite size:1.05*1.05m
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