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MC6251 Silica Mullite Wear-resistant Composite Brick

  • Catalog No. MC6251
  • Material Al2O3, SiC, SiO2
  • Bulk Density 2.65 g/cm3
  • Content Al2O3 ≥50%
  • Max Working Temp. 1300℃

MC6251 Silica Mullite Wear-resistant Composite Brick

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Overview of Silica Mullite Wear-resistant Composite Brick

Silica Mullite Wear-resistant Composite Bricks are advanced refractory bricks engineered for exceptional wear resistance and durability in high-temperature applications. Constructed from a blend of silica (SiO₂) and mullite (3Al₂O₃·2SiO₂), these bricks offer impressive thermal stability, mechanical strength, and resistance to chemical corrosion. Their unique composition makes them ideal for high-wear environments where protection against mechanical abrasion, thermal shock, and chemical erosion is essential, such as in rotary and cement kilns.

Silica Mullite Wear-resistant Composite Brick Specifications

Items

GMF-1

Structure

Working layer

Thermal insulation layer

Al2O3, % ≥

65

50

SiC+SiO2, 

30

-

Bulk Density g/cm

2.65

2.1-2.3

Apparent Porosity % ≤

17

-

Cold Crushing Strength Mpa ≥

90

50

Thermal Shock Resistance

800℃ water cycle ≥

15

15

Wear Resistance A/C ≥

5

-

Thermal Conductivity 800℃ w·m·k

2.5-2.3

1.0-1.3

Applications of Silica Mullite Wear-resistant Composite Bricks

  • Cement Kilns: Frequently used in the transition and cooling zones of cement rotary kilns, these bricks provide superior wear resistance and stability at high temperatures.
  • Rotary Kilns: Suitable for various types of rotary kilns, particularly in the sintering zone, where high abrasion and chemical resistance are critical.
  • Non-ferrous Metal Furnaces: Ideal for areas in copper and aluminum melting furnaces that encounter high temperatures and exposure to corrosive slags.

Packaging and Handling

Our Silica Mullite Wear-resistant Composite Bricks are carefully packaged and handled to maintain their quality and ensure they reach you in optimal condition.

Frequently Asked Questions (FAQs)

Q1: What is a Silica Mullite Wear-resistant Composite Brick?

This is a refractory brick crafted from a combination of silica (SiO₂) and mullite (3Al₂O₃•2SiO₂), specifically designed to resist high wear, thermal shock, and chemical erosion in extreme-temperature environments.

Q2: Where are Silica Mullite Composite Bricks typically used?

These bricks are primarily used in cement kilns, particularly in transition and cooling zones, as well as in rotary kilns and non-ferrous metal furnaces, where resistance to abrasion, heat, and chemicals is crucial.

Q3: How are Silica Mullite Composite Bricks manufactured?

These bricks are produced by combining high-quality silica with mullite under carefully controlled firing conditions. This process bonds the materials into a dense, wear-resistant brick capable of withstanding high temperatures and mechanical stress.

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