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Home » Product Directory » Construction & Decoration » Brick & Tile » Brick » High Alumina Brick

High Alumina Brick

High Alumina Brick
High Alumina Brick
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Product Description

It is one of the main products of NO. 1 branch, produced of concentrated bauxite with the advanced process and quality inspection. The main mineral components are corundum and mullite crystal phases. It features excellent hgih-tempreture mechanical strength and chemical corrosion resistance.

In recent years, the modified high-alumina brick for eletric are furnace roof has been developed, having good thermal shock resistance and slag resistance, suitable to the roofs of various kinds of electric furnaces and other furnaces.

ITEMINDEX
 LZ-75LZ-65LZ-55LZ-48
AL2O3%≥75≥65≥55≥48
Refractoriness (C)≥1790≥1790≥1770≥1750
0.2MPa Refractoriness under load≥1520≥1500≥1470≥1420
Permanent Linear Change %

 		1500C,2h+0.1,-0.4
-		-
1450C,2h-
+0.1,-0.4		+0.1,-0.4
Apparent Porosity %≤22≤23≤22≤22
Cold crushing strength MPa≥58≥50≥46≥42
   
HS Code:  69022000
Export Markets:  North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Company: Shandong Fujing Refrectory Co.,Ltd.

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