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Help CenterAluminum Silicate Brick High Alumina Brick at a Competitive Price
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Specifications
1.Good thermal capacity2.Low creep
3. Better capability of acid-fast erosion of acid or alkaline slag
4.Competitive price
High alumina refractory brick Primarily used for industrial ceramics, electronics, petrochemical and metallurgical industries.
Physical and chemical index
Item |
AKZ-85 |
AKZ-90 |
AKZ-99 |
|
Chemical composition |
Al2O3 |
≥85 |
≥90 |
≥99 |
SiO2 |
≤13 |
≤8 |
≤0.2 |
|
Fe2O3 |
≤0.5 |
≤0.5 |
≤0.5 |
|
Apparent Porosity% |
58-62 |
58-62 |
58-62 |
|
Bulk Density g/cm3 |
1.4-1.7 |
1.4-1.7 |
1.4-1.7 |
|
Cold Crushing Strength Mpa |
≥12 |
≥10 |
≥9 |
|
0.1Mpa Refractoriness Under Load T0.6 °C |
≥1650 |
≥1700 |
≥1700 |
|
|
Permanent Linear Change On Reheating (%)1500°CX2h |
±0.3 |
±0.3 |
±0.3 |
|
20-1300°C Thermal Expansion % (x 10-6) |
0-7.8 |
0-8.0 |
0-8.6 |
|
Thermal Conductivity(Average 800°C) W/(M.K) |
≤0.8 |
≤1.3 |
≤1.5 |
|
Max Service Temperature °C |
1680 |
1700 |
1800 |
|
Primarily used for lining of high temperature furnace and thermal insulate of ultra-high temperature furnace of industrial as refractory material, industrial ceramics, electronics, petrochemical and metallurgical industries.
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