Barrier brick

Designed specifically for aluminum production, Barrier Brick forms the critical bottom layer of the reduction cell.

Apparent Porosity  (%)                                  ≤22


Bulk Density (g/cm3)                                    ≥2.25-2.35


Cold Crushing Strength  (Mpa)                    ≥40


0.2Mpa Refractoriness Under Load T0.6 ℃ ≥1420


   PRODUCT DESCRIPTION

Description:

Designed specifically for aluminum production, Barrier Brick forms the critical bottom layer of the reduction cell. We differentiate our product through three essential attributes: precise tolerances for seamless installation, high compressive strength for structural integrity, and controlled porosity to meet the process demands of aluminum smelting.

 

High Aluminum Hanging Brick-barrier brick is engineered to withstand extreme heat, making it ideal for high-temperature environments. With a refractoriness of up to 1700°C, this High Temperature Resistant Brick is designed for use in industrial furnaces, kilns, and smelting operations where temperature stability and durability are crucial. The High Aluminum Hanging Brick excels in providing reliable protection against thermal shock, ensuring longevity and performance under intense conditions. Commonly used in high-temperature applications, these Hanging Refractory Bricks are essential in optimizing furnace efficiency and reducing energy loss. Whether applied in smelting furnaces or kilns, they help minimize wear and tear, enhancing the lifespan of your equipment. With Sunrise Refractory's commitment to quality, you can trust that our bricks will deliver consistent performance, reducing maintenance costs and downtime.

 

Features:

l  Penetration Resistance – Prevents downward penetration of corrosive cryolite bath and molten aluminum.

l  Thermal Insulation – Serves as a strategic backup layer, effectively regulating heat flux toward the outer steel shell.

l  Structural Integrity – Delivers reliable load-bearing stability under extreme high-temperature conditions.

l  Material Options –

l  Fireclay: Premium fireclay-based compositions, engineered specifically for aluminum reduction cell bottoms.

l  High-Alumina / Fireclay Blends: Optimized silicate-alumina matrices, formulated for enhanced chemical inertness.


   TECHNIQUE DATA

ItemIndexIndexIndexIndexIndex
International Code NameSK35SK36SK37SK38SK40
Chinese Code NameLZ-48LZ-55LZ-65LZ-75LZ-80
Al2O3 ,%≥48≥55≥65≥75≥80
Fe2O3, %≤2≤2≤2≤2≤2
Refractoriness℃, min17501770179017901790
Apparent Porosity%≤22≤22≤23≤23≤21
Bulk Density g/cm32.25-2.352.25-2.352.25-2.352.25-2.352.25-2.35
Cold Crushing Strength Mpa≥39≥44≥49≥54≥65
0.2Mpa Refractoriness Under Load T0.2 ℃,min≥1420≥1470≥1500≥1520≥1530
Permanent Linear Change On Reheating(%)1500℃X2h+0.1~-0.4x1450℃+0.1~-0.4+0.1~-0.4+0.1~-0.4+0.1~-0.4
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