Silicon Carbide Mullite Bricks from Xintai Refractory are engineered to provide exceptional durability and thermal resistance, making them a perfect solution for high-temperature applications such as cement rotary kilns and furnaces. By combining high-grade bauxite with Silicon Carbide (SiC), these bricks are designed to offer superior strength, abrasion resistance, and thermal shock resistance. With a specialized sintering process, these bricks form a consistent protective layer that reduces accretion formation and extends service life.
Technical Specifications
| Property | AZM-1650 | AZM-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: Capable of withstanding temperatures up to 1680°C, making them ideal for high-heat environments in industries such as cement, metallurgy, and petrochemicals.
Thermal Shock Resistance: These bricks offer excellent thermal shock resistance, ensuring long service life even with fluctuating temperatures.
Enhanced Strength: With a cold crushing strength of up to 100 MPa, these bricks are designed to handle high mechanical stress, making them suitable for high-performance industrial applications.
Abrasion Resistance: The inclusion of Silicon Carbide (SiC) enhances the abrasion resistance of these bricks, reducing wear and tear in high-stress zones like rotary kilns.
Protective Layer Formation: The bricks naturally form a protective layer during use, minimizing accretion formation and improving operational efficiency.
Typical Applications
Cement Industry: Used extensively in the transition zone and calcining zone of rotary kilns, helping to improve the efficiency and durability of kiln operations.
Rotary Kilns: AZM-1650 is ideal for the pre-heating decomposition zone, while AZM-1680 is perfect for the transition zone where temperatures fluctuate the most.
Metallurgical Applications: These bricks are also used in iron and steel production, offering excellent resistance to high temperatures and wear.
Petrochemical and Chemical Industries: Provide durable and efficient performance in high-temperature reactors and furnaces.
Other Industries: Also suitable for industries such as ceramics, glass, non-ferrous metals, and electricity, where high-temperature materials are critical.
Production Details
Silicon Carbide Mullite Bricks are manufactured using high-quality bauxite and Silicon Carbide (SiC). Through a special sintering process, we ensure each brick achieves the ideal density and strength to withstand high thermal and mechanical stress.
Raw Materials: Bauxite, Silicon Carbide (SiC)
Manufacturing Process: Special sintering process with precision molding
Packing and Shipping Details
Packaging: Each brick is securely packed on wooden pallets to prevent damage during transportation.
Shipping: Global shipping is available, with delivery times typically between 7-10 days, depending on the destination.
Frequently Asked Questions (FAQ)
Q1: What is the maximum temperature that Silicon Carbide Mullite Bricks can withstand?
These bricks are designed to endure temperatures up to 1680°C, making them suitable for the most demanding high-temperature applications.
Q2: How do Silicon Carbide Mullite Bricks perform in high-abrasion areas?
Thanks to the inclusion of SiC, these bricks offer superior abrasion resistance, ensuring long-lasting performance in high-stress zones like rotary kilns.
Q3. Are custom sizes available for Silicon Carbide Mullite Bricks?
Yes, we offer custom sizes tailored to your specific needs. Please reach out to our sales team for more information.
Q4: What is the primary application for these bricks?
These bricks are primarily used in rotary kilns, especially in the transition zone and calcining zone, in addition to other high-temperature industrial applications.
Q5: Can I get a sample before placing an order?
Yes, we provide samples for evaluation. Please reach out to our sales team for more information.

















