Silica Mullite Bricks

  • Brand: Xintai
  • Composition: Al₂O₃ ≥ 60%–68%
  • Refractoriness: 1790°C
  • Type: 320, 620, P+20, P 20
  • Raw Material: Bauxite + SiC
  • Maximum Working Temperature: 1680°C
  • Application: Transition Zone

Our Silica Mullite Bricks are specifically engineered for high-temperature applications, offering a combination of excellent thermal shock resistance and superior mechanical strength. These bricks are ideal for use in industries that demand high-performance refractory materials, such as the metallurgical, ceramic, and glass industries. With a chemical composition rich in Silicon Carbide (SiC) and Alumina (Al₂O₃), these bricks ensure durability and thermal stability even in the most demanding environments.

Technical Specifications

PropertyAZM-1650AZM-1680
Chemical Composition  
SiC + SiO₂≥30%≥32%
Al₂O₃≥65%≥65%
Physical Properties  
Bulk Density (g/cm³)≥2.65≥2.70
Apparent Porosity (%)≤19≤19
Cold Crushing Strength (MPa)≥90≥100
Performance Characteristics  
Refractoriness Under Load (°C)≥1650≥1680
Thermal Shock Resistance (cycles)≥15≥20

Key Features

  • High Refractoriness: Able to withstand temperatures up to 1680°C, making them suitable for high-temperature furnace linings and other extreme environments.

  • Thermal Shock Resistance: Exceptional thermal shock resistance, ensuring longevity and performance even with sudden temperature fluctuations.

  • High Mechanical Strength: Cold crushing strength of up to 100 MPa, providing durability in demanding industrial applications.

  • Low Porosity: Apparent porosity ≤19%, which helps to reduce heat loss and improve energy efficiency in high-temperature operations.

  • Chemical Stability: Composed of Al₂O₃ and SiC, which offer resistance to acidic environments and improve the brick’s overall stability under extreme conditions.

Typical Applications

  • Furnaces: Ideal for use in the transition zone of high-temperature furnaces.

  • Kilns: Suitable for ceramic and glass kilns, providing reliable performance in both heating and cooling cycles.

  • Refractory Linings: Commonly used for linings in industrial applications where thermal stress and extreme heat conditions are present, such as metallurgical and foundry applications.

  • Cement Plants: Can be used in cement kilns and rotary kilns where high temperatures are required.

Production Details

Our Silica Mullite Bricks are manufactured using advanced techniques, ensuring consistency and superior performance. Each brick is subjected to rigorous quality control checks to meet the highest standards, including testing for bulk density, porosity, and crushing strength.

  • Raw Materials: Bauxite, Silicon Carbide (SiC)

  • Manufacturing Process: High-temperature sintering and precision molding

Production Details of Silica Mullite Brick

Packing and Shipping Details

  • Packaging: The bricks are securely packed on wooden pallets to prevent damage during transit.

  • Shipping: We offer worldwide shipping, with competitive freight rates and efficient delivery timelines. Lead time typically ranges from 7–10 days depending on the destination.

Packing and Shipping Details

Frequently Asked Questions (FAQ)

Q1: What is the maximum temperature that Silica Mullite Bricks can withstand?

These bricks can endure temperatures up to 1680°C, making them suitable for the most demanding high-temperature applications.

Yes, we offer custom sizes based on specific project requirements. Please contact us for more details on custom orders.

Our bricks offer excellent thermal shock resistance, with values of ≥15 cycles for AZM-1650 and ≥20 cycles for AZM-1680, ensuring longevity and performance even under fluctuating temperature conditions.

 

These bricks are widely used in industries such as metallurgy, ceramics, glass, and cement, where high-temperature resistance and durability are essential.

Yes, we provide samples for evaluation. Please reach out to our sales team for more information.

Related Products

More Refractory Products from Xintai Refractory

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  1. Type of Refractory Products:
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    Please feel free to submit your inquiry using the form provided below, and we will provide you with a quote within 24 hours.

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    Contact Us

      Please feel free to submit your inquiry using the form provided below, and we will provide you with a quote within 24 hours.