JM28 insulation brick has excellent thermal insulation performance under high-temperature applications. As a manufacturer, Ronghua provides customers with furnace insulation solutions and a variety of product types. Additionally, Ronghua can customize bricks according to the special requirements of customers. We offer competitive factory prices and quality assurance to our customers.
- Al2O3: ≥64-66%;
- Bulk Density: 0.8-1.0g/cm³;
- Thermal Conductivity: 0.28-0.34 350℃, W/(m·K);
- Cold Crushing Strength: 2.3-3.3MPa;
- Size: 230*114*65mm (standard)/And other sizes;
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Technical Parameters of JM28 Insulation Brick
Ronghua JM28 insulation bricks are made from high-purity, high-quality raw materials. The insulation brick has excellent performance. Please see the parameters below.
| Item/Grade | KR-28 | ||
|---|---|---|---|
| Type | A | B | C |
| Al2O3, % | ≥64 | ≥65 | ≥66 |
| Fe2O3, % | ≤0.75 | ≤0.65 | ≤0.65 |
| Bulk Density, g/cm³ | 0.8 | 0.9 | 1.0 |
| Reheating Linear Change, % | ≤-1 | ≤-0.8 | ≤-0.7 |
| Temperature*12h | 1500℃ | ||
| Cold Crushing Strength, MPa | ≥2.3 | ≥2.8 | ≥3.3 |
| Thermal Conductivity 350℃, W/(m·K) | 0.28 | 0.32 | 0.34 |
Features of JM28 Insulating Bricks
- Good thermal insulation performance;
- High mechanical strength;
- Low thermal conductivity;
- Good dimensional stability at high temperatures;
- Low heat storage, high thermal compressive strength;
- High alumina, low iron, and alkaline flux content;
- Corrosion-resistant, wear-resistant;
- Accurate dimensions, easy to install;
- Standard packaging design and custom packaging design.
Shapes of JM28 Bricks Suitable for Different Kilns
Ronghua offers a variety of mullite insulating brick shapes. Common shapes include straight, arch, wedge, key, side skew, end skew, side feather, end feather, split, etc. These standard shapes can meet the routine requirements of most kilns.
If you need custom brick shapes, please contact Ronghua . We can customize special-shaped bricks according to your drawings.
Industries and Kilns Suitable for JM28 Insulation Brick
JM28 mullite insulation bricks, with their excellent high-temperature resistance, low thermal conductivity, and thermal shock resistance, are widely used in various high-temperature industrial environments.
- Metallurgical Industry: Blast furnace bodies, furnace bottoms, hot blast furnace roofs, etc., It effectively extends the service life of the furnace lining and reduces heat loss.
- Ceramics Industry: Tunnel kilns, roller kilns, etc., It provides a stable temperature field and improves product firing quality.
- Petrochemical Industry: Cracking furnaces, hot blast stoves, etc., capable of withstanding high-temperature and high-pressure environments. It ensures safe production.
- Glass Industry: Glass melting furnaces, regenerator chambers, etc. It effectively reduces heat loss and saves energy.
- Power Industry: Boiler combustion chambers, etc.. It improves boiler thermal efficiency and reduces pollutant emissions.
Site Construction Diagram for JM28 Insulation Bricks
70% of Customers Choose Ronghua Refractory Again
Many customers choose Ronghua for its high-quality bricks and professional services, and Ronghua truly deserves this trust. 70% of customers, after using our products, choose to repurchase Ronghua bricks. This not only reflects the superior performance and durability of our products but also highlights our excellence in after-sales service and customer relationship management. Ronghua bricks, with their exquisite craftsmanship, wide variety, and eco-friendly materials, have earned widespread recognition and praise from customers. We strive to provide better products and experiences for our clients, aiming to be their long-term trusted partners. View more pictures on Ronghua Pinterest.
