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
Related Product
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