Refractory high aluminum brick is a material used in the refractory industry, usually used to withstand high temperatures and chemical corrosion environments. Refractory high aluminum brick has high thermal stability, excellent acid and alkali slag resistance, high corrosion resistance, low thermal conductivity, high mechanical strength properties.
1. High thermal stability
High aluminum bricks have excellent thermal stability at high temperatures, which means they retain their original shape and strength even at extreme temperatures. This thermal stability is crucial in industries that require high temperature furnaces, such as steel production, ceramic manufacturing and cement production.
2. Excellent acid and alkaline slag resistance
High aluminum bricks also exhibit high resistance to acid and alkaline slag, which is important in metal smelting or in the production of chemicals that require contact with acidic or alkaline compounds. This resistance is due to the high alumina content in the brick, which inhibits the reaction of acidic and alkaline materials with the brick surface.
3. High corrosion resistance
High aluminum bricks have excellent corrosion resistance, which means they can withstand the corrosive effects of chemicals and other harmful substances. This resistance gives bricks a longer service life in various industrial applications, such as chemical plants, incinerators and oil refineries.
4. Low thermal conductivity
High aluminum bricks also exhibit low thermal conductivity, which means they do not easily transfer heat. This property is critical for applications where energy efficiency is critical. The low thermal conductivity of high alumina bricks helps to minimize heat loss in industrial furnaces and high temperature reactors.
5. High mechanical strength
High aluminum bricks also have high mechanical strength and excellent resistance to mechanical stress. This makes them suitable for demanding industrial applications, including boilers, chimneys and kilns.
In short, refractory high aluminum bricks can provide a durable and reliable solution for the refractory industry, refractory high aluminum bricks have high thermal stability, excellent acid and alkali slag resistance, high corrosion resistance, low thermal conductivity, high mechanical strength properties, so that refractory high aluminum bricks become the best choice for the refractory industry. We are committed to providing our customers with the highest quality refractory high alumina bricks and other refractory materials. If you need it, contact us now and let us help you find the perfect solution for your needs!
HIGH ALUMINA BRICKS Product Data
|
Material |
Common |
Special |
|||||||||||||
|
Item |
SK36 |
SK38 |
TS80 |
TS85 |
SL-92 |
SL-90 |
SL-85 |
SL-80 |
SL-75 |
SL-70 |
SL-60 |
SL-50 |
|||
|
Pyrometric Cone Equivalent Orton cone |
35-36 |
37-38 |
38 |
﹥38 |
40 |
40 |
40 |
39 |
39 |
38 |
37 |
36 |
|||
|
Refractoriness (℃) |
1785 |
1810 |
1835 |
1840 |
– |
– |
– |
– |
– |
– |
– |
– |
|||
|
0.2 MPa soft under load (%) |
– |
– |
– |
– |
1700 |
1700 |
1700 |
1670 |
1650 |
1580 |
1550 |
1500 |
|||
|
Bulk Density (kg/m³) |
2300-2350 |
2400-2450 |
2550-2650 |
2650-2750 |
3.10 |
2.95 |
2.90 |
2.85 |
2.70 |
2.62 |
2.50 |
2.40 |
|||
|
Apparent Porosity (%) |
20.0-22.0 |
19.0-20.0 |
18.0-19.0 |
17.0-18.0 |
16 |
16 |
19 |
18 |
18 |
18 |
18 |
18 |
|||
|
Cold Crushing Strength (MPa) |
45-48 |
50-55 |
60-65 |
70-75 |
80 |
80 |
800 |
750 |
700 |
700 |
650 |
600 |
|||
|
Modulus of Rupture (kg/cm²) |
70-80 |
80-90 |
90-100 |
150-180 |
– |
– |
– |
– |
– |
– |
– |
– |
|||
|
Thermal Expanison at 1000℃(%) |
– |
– |
– |
– |
– |
– |
0.75 |
0.7 |
0.65 |
0.60 |
0.55 |
0.50 |
|||
|
Reheat test,permanent linear change after heating at |
1500℃,2h(%) |
– |
– |
– |
– |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
||
|
1400℃(%) |
(+)0.5 |
(+)1.00 |
(+)1.02 |
– |
– |
– |
– |
– |
– |
– |
– |
– |
|||
|
SiO2 (%) |
38.2 |
20.2 |
14.0 |
8.7 |
– |
– |
– |
– |
– |
– |
– |
– |
|||
|
Al2O3 (%) |
48-55 |
70-75 |
81.1 |
85 |
92 |
90 |
85 |
80 |
76 |
70 |
65 |
50 |
|||
|
Fe2O3 (%) |
1.8 |
1.8 |
1.8 |
1.8 |
0.8 |
0.8 |
1.0 |
1.0 |
– |
– |
– |
– |
|||
|
Cao (%) |
0.4 |
0.4 |
0.3 |
0.2 |
– |
– |
– |
– |
– |
– |
– |
– |
|||
|
Na2O+K2O+Li2O (%) |
0.5 |
0.5 |
0.3 |
0.2 |
– |
– |
– |
– |
– |
– |
– |
– |
|||
Hot Tags: high alumina bricks, China high alumina bricks manufacturers, suppliers, factory, fire clay brick, High Alumina Brick Refractory, Refractory Clay Bricks, Silica Fire Brick, Silicon Carbide Brick, Zirconia Refractory Brick
