Mullite Insulating Bricks are high-performance refractory materials designed for use in high-temperature industrial applications. Made from high-quality mullite, these bricks offer excellent thermal insulation and can be used in a variety of environments where both heat resistance and lightweight properties are required. Ideal for applications in furnaces, kilns, and other high-temperature processing equipment, they provide efficient insulation while maintaining durability under extreme conditions.

Mullite is known for its exceptional thermal stability and resistance to thermal shock, making these bricks an excellent choice for industries such as steel, cement, glass, and ceramics. These bricks provide outstanding insulation performance, helping to improve energy efficiency and reduce heat loss in industrial furnaces.

Physicochemical Parameters

Refractory Material Specifications

Items	XT-JM23	XT-JM26	XT-JM28-1	XT-JM28-2	XT-JM30
Service Temperature (℃)	1260	1430	1540	1540	1650
Bulk Density (g/cm³ ≤)	0.5	0.8	0.9	0.95	1.05
Mpa ≥ MOR	0.7	1.1	1.5	1.6	2.0
Mpa ≥ CCS	1.0	2.0	2.2	2.3	2.7
PLC (%)	0.3	0.4	0.5	0.5	–
℃ × 8h	1230	1400	1510	1510	–
Reversible Coefficient of Thermal Expansion (1090℃ %) ≤	0.6	0.7	0.8	0.8	0.9
Thermal Conductivity (w/m·k ≤)	400℃ 0.15	0.28	0.32	0.33	–
600℃	0.17	0.31	0.34	0.36	–
800℃	0.19	0.33	0.36	0.39	–
1000℃	0.24	0.35	0.39	0.42	–
Al2O3 (%) ≥	37	50	60	60	68
Fe2O3 (%) ≤	1.0	1.0	0.8	0.8	0.7
SiO2 (%) ≤	45	43	36	36	29

Product Features

High Refractoriness: With a maximum temperature resistance of 1260°C, these bricks perform reliably even in high-temperature environments.
Lightweight and Efficient Insulation: The low bulk density of 0.6 allows for enhanced thermal insulation, reducing energy consumption and improving furnace efficiency.
Thermal Shock Resistance: Excellent ability to withstand rapid temperature fluctuations without cracking or spalling, ensuring long-lasting durability.
Compressive Strength: Offers a robust compressive strength of 1.3 MPa, ensuring reliable performance even in high-pressure conditions.
Custom Sizes Available: Available in standard sizes of 230*114*65mm, with the option for customized dimensions to fit specific applications.

Applications

Mullite Insulating Bricks are ideal for a wide range of high-temperature applications, including:

Hot-face Refractory Linings: Perfect for serving as a hot-face refractory lining in various high-temperature industrial environments.
Thermal Insulation Backing: Used as a backing layer for other refractory materials to improve insulation and reduce heat loss.
Kilns and Furnaces: Suitable for use in rotary kilns, furnaces, and other industrial heating equipment requiring both insulation and heat resistance.
Glass and Ceramics Industries: Ideal for lining equipment in glass melting furnaces and ceramic kilns, where thermal shock resistance and insulation are crucial.

Customization Services

We offer tailored Mullite Insulating Bricks to meet the specific needs of your operation, including:

Custom Sizes: Our bricks can be customized to meet the specific dimensions required for your equipment.
Special Shapes: Custom shapes such as arch bricks or other complex geometries are available to suit your unique installation requirements.
Performance Adjustments: We can modify the product’s performance specifications to match your operational needs, including strength, thermal resistance, and insulation requirements.

Packing and Shipping Details

Mullite Insulating Bricks are carefully packaged to ensure they arrive safely at your facility:

Packaging Material: We use durable, eco-friendly packaging materials to protect the bricks during transit.
Bulk Orders: Larger orders are securely palletized for easy handling and protection.
Custom Packaging: Custom packaging options are available upon request to meet your specific storage and shipping needs.

About Xintai Refractory

Xintai Refractory is a leading manufacturer specializing in high-quality refractory materials. With over 20 years of experience, we provide a comprehensive range of products, including refractory bricks, insulating materials, and monolithic refractories. Our products are designed for industries such as steel, cement, glass, ceramics, and power generation, ensuring top-tier solutions for high-temperature applications.

We are committed to delivering products that meet the highest standards of quality and performance, providing reliable and efficient solutions for the most demanding industrial environments. Contact us today for your Mullite Insulating Bricks or other refractory material needs!