Aluminum Silicate Brick

1.Low porosity. 2.High thermal conductivity. 3.Resistant high temperature. 4.Excellent abrasion resistant ability. 5.Excellent thermal shock performance.

     

Brief Introduction

Alumina silica firebrick belong to the group of alumina-silica refractory products. This kind of products are applied widely in iron, steel, glass, and nonferrous metals industries under high temperatures. We provides all kinds of alumina silica brick bricks in low price. Alumina silica fire bricks plays an important role in various high temperature industries.
  
Basic chemical components are silicon oxide (SiO2) and aluminum oxide (Al2O3). We have excellent alumina silica firebrick for sale at a competitive price.  

Technical Datas

Item AS60 AS70 AS75 AS80
AL2O3(%) ≥60 ≥70 ≥75 ≥80
SIO2(%) 32 22 20 ≥18
Fe2O3(%) ≤1.7 ≤1.8 ≤1.8 ≤1.8
Refractoriness °C 1790 >1800 >1825 ≥1850
Bulk density,g/cm3 2.4 2.45-2.5 2.55-2.6 2.65-2.7
Softening temperature under load ≥1470 ≥1520 ≥1530 ≥1550
Apparent porosity,% 22 <22 <21 20
Cold Crushing strength Mpa ≥45 ≥50 ≥54 ≥60

Application

1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln

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