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Alumina Silica Fire Brick for Sale

Alumina silica firebrick belongs to the group of alumina-silica refractory products. This kind of product is applied widely in iron, steel, glass, and nonferrous metals industries under high temperatures. Rongsheng refractory provides all kinds of alumina-silica brick bricks at a low price. Alumina silica fire bricks play 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

High-Temperature Bulk Density
Excellent Capacity of Refractoriness under load
High Thermal Conductivity
Low Porosity
Excellent Abrasion Resistant Ability
Excellent Thermal Shock Performance

Alumina Silica Fire Brick Physical & Chemical Index

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 components determine the kind of products.

Alumina Silica Fire Brick Applications

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

Our alumina silica fire brick products 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 and enjoy our high-quality service. Please leave your message and we will be in contact as soon as possible.

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