JM26 Mullite Insulating Bricks are advanced high-performance refractory materials designed for use in medium-to-high temperature applications. With an alumina content of over 54% and a refractoriness of up to 1430°C, these bricks offer excellent insulation and heat resistance properties. They are perfect for applications in industries that require high thermal stability, such as metallurgy, ceramics, glass, and petrochemicals.
These bricks are versatile and can be used as hot-face linings or thermal insulation backing layers, helping to enhance the energy efficiency of industrial equipment. Their lightweight and durable design make them an ideal solution for high-temperature environments, ensuring optimal performance under harsh conditions.
Physicochemical Parameters
| 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 refractoriness of 1430°C, JM26 bricks are designed to withstand extreme temperatures, ensuring long-lasting insulation performance.
- Low Bulk Density: At just 0.7 – 1.0 g/cm³, these bricks provide excellent thermal insulation while minimizing heat loss and improving furnace efficiency.
- Compressive Strength (CCS): These bricks offer robust compressive strength, ranging from 2.0 MPa to 3.2 MPa, providing enhanced durability even under high mechanical stress.
- Thermal Shock Resistance: JM26 bricks have excellent thermal shock resistance, ensuring they can endure rapid temperature fluctuations without cracking or spalling.
- Thermal Conductivity: With a thermal conductivity of 0.28 W/m·K at 400°C, these bricks effectively minimize heat loss, optimizing energy usage in industrial equipment.
- Custom Sizes: Available in standard dimensions of 230*114*65mm, with custom sizes and shapes available to meet your specific operational requirements.
Applications
JM26 Mullite Insulating Bricks are highly suitable for various high-temperature industrial applications, including:
- Kilns and Furnaces: Used as refractory linings or insulation layers in rotary kilns, cement furnaces, glass melting furnaces, and other high-temperature systems.
- Thermal Insulation Backing: Ideal for use as a backing layer for other refractory materials, enhancing overall insulation performance and heat retention.
- Metallurgical Industries: Perfect for steel making, aluminum production, and other non-ferrous metal smelting processes where thermal stability is critical.
- Ceramic and Glass Industries: Suitable for use in ceramic kilns and glass melting furnaces, where high thermal resistance and low heat conductivity are essential.
- Power Generation: Ideal for use in high-temperature power plants, minimizing heat loss and enhancing energy efficiency.
Customization Services
We understand that each application may have unique requirements. Our JM26 Mullite Insulating Bricks can be customized to meet your specific needs:
- Custom Sizes: We can provide bricks in a variety of sizes beyond the standard 23011465mm to fit your furnace, kiln, or other industrial equipment.
- Special Shapes: Need bricks in special shapes, such as arch bricks or anchor bricks? We can provide custom-designed bricks to meet your specific geometry needs.
- Performance Adjustments: We can modify thermal conductivity, compressive strength, and other physical properties to match the demands of your operation.
Packing and Shipping Details
Our JM26 Mullite Insulating Bricks are carefully packaged to ensure safe delivery to your location:
- Packaging Material: We use durable, eco-friendly packaging materials to protect the bricks during transport.
- Bulk Orders: Large orders are securely palletized for ease of handling and additional protection.
- Custom Packaging: If you require special storage or shipping options, we can provide custom packaging solutions.
About Xintai Refractory
Xintai Refractory is a leading manufacturer specializing in high-quality refractory materials. With over 20 years of experience in the industry, we provide a wide range of products, including refractory bricks, insulating materials, and monolithic refractories. Our products are used in industries such as steel, cement, glass, ceramics, and power generation.
We are committed to quality, innovation, and customer satisfaction, offering tailored solutions for even the most demanding high-temperature applications. Contact us today for more information about our JM26 Mullite Insulating Bricks and other high-performance refractory materials.
