Alumina Silica Fire Brick for Sale
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. Rongsheng refractory 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.
High-Purity Alumina Silica Fire Bricks Properties
1.Resistant high temperature.
2.High thermal conductivity
3.Low porosity
4.Excellent abrasion resistant ability
5.Excellent thermal shock performance
Alumina Silica Fire Brick Specification
| Item |
RSAS60 |
RSAS70 |
RSAS75 |
RSAS80 |
| 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 |
Three Major Categories of Alumina Silica Bricks
Semi Siliceous Products (Al2O3≤30%)
Fire Clay Products (30%≤Al2O3≤48%)
High Alumina Products (Al2O3≥48%)
Different raw materials and volumes of component determine the kind of products.
Alumina Silica Fire Brick Applications
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
RS fire brick factory manufacture refractory brick have been shipped all around the world, such as Thailand, Indonesia, Pakistan, Saudi Arabia, South Africa, Turkey, Iran, Iraq, etc. welcome to buy alumina silica firebrick at Rongsheng refractory bricks factory and provide high quality service. Please leave your massage and we will be in contact as soon as possible.
