JM30 Mullite Insulating Bricks are advanced, high-performance refractory materials designed for use in ultra-high-temperature industrial applications. With an alumina content of over 72% and a refractoriness of up to 1650°C, these bricks offer superior insulation properties, thermal stability, and mechanical strength. They are perfect for industries that require the highest levels of heat resistance and energy efficiency.
These bricks can be used as hot-face linings in various high-temperature furnaces or as thermal insulation backing layers, helping to improve the energy efficiency of industrial equipment while reducing operational costs. The combination of low thermal conductivity, excellent thermal shock resistance, and high compressive strength makes JM30 Mullite Insulating Bricks a reliable choice for extreme environments.
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
- Ultra High Refractoriness: With a refractoriness of up to 1650°C, these bricks are perfect for industries requiring insulation in the most demanding high-temperature environments.
- Low Bulk Density: At just 1.0 – 1.1 g/cm³, JM30 bricks offer excellent thermal insulation, reducing energy consumption and improving overall furnace efficiency.
- Compressive Strength (CCS): These bricks offer excellent compressive strength (2.7 – 3.0 MPa), ensuring durability under heavy mechanical stress and high temperatures.
- Thermal Shock Resistance: The high alumina content and design ensure exceptional resistance to thermal shock, allowing these bricks to withstand rapid temperature fluctuations.
- Thermal Conductivity: With a thermal conductivity of 0.33 W/m·K at 400°C, JM30 bricks minimize heat loss, significantly enhancing the energy efficiency of industrial systems.
- Custom Sizes and Shapes: Available in standard 230*114*65mm sizes, with custom options available for size and shape to suit your specific operational requirements.
Applications
JM30 Mullite Insulating Bricks are ideal for ultra-high-temperature industrial applications, including:
- High-Temperature Furnaces: Used as hot-face linings in furnaces exposed to extreme temperatures, such as in the petrochemical, steel, and ceramics industries.
- Kilns: Perfect for use in rotary kilns, cement kilns, and other high-temperature kiln systems.
- Thermal Insulation Backing: Ideal as a backing layer for other refractory materials, helping to improve overall insulation performance and heat retention.
- Metallurgical Industries: Suitable for steel production, aluminum smelting, and other non-ferrous metal applications that require maximum heat resistance.
- Glass and Ceramics Industries: Perfect for glass melting furnaces, ceramic kilns, and other applications requiring precise thermal control.
- Power Generation: Ideal for high-temperature power plants where energy efficiency and reduced heat loss are essential.
Customization Services
We understand that every application has unique requirements. Our JM30 Mullite Insulating Bricks can be customized to meet the specific needs of your project:
- Custom Sizes: We offer custom dimensions to fit your furnace, kiln, or other industrial equipment.
- Special Shapes: If you need specific brick shapes (e.g., arch bricks, anchor bricks), we can provide custom molds to meet your geometry needs.
- Performance Modifications: We can adjust the thermal conductivity, compressive strength, and other physical properties to suit the demands of your operation.
Packing and Shipping Details
Our JM30 Mullite Insulating Bricks are securely packaged to ensure safe delivery:
- Packaging Material: We use durable, eco-friendly materials to protect the bricks during shipping.
- Bulk Orders: For large orders, we securely palletize the bricks for added protection and ease of handling.
- 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 offer a wide range of products, including refractory bricks, insulating materials, and monolithic refractories. We provide high-performance solutions for industries such as steel, cement, glass, ceramics, and power generation.
Our commitment to quality, innovation, and customer satisfaction ensures that we deliver top-tier products for even the most demanding high-temperature applications. Contact us today for more information about our JM30 Mullite Insulating Bricks and other high-performance refractory materials.
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