High alumina bricks for kiln furnaces are essential refractory materials used in high-temperature industrial applications, including kiln furnaces, glass melting furnaces, and ceramic firing kilns. These bricks are primarily composed of alumina (Al₂O₃), offering excellent resistance to thermal shock, high mechanical strength, and durability in extreme conditions.
Our high alumina bricks are available in a wide range of grades with Al₂O₃ content ranging from 48% to 80%, making them suitable for different types of kilns and furnaces. Depending on the application, these bricks provide superior performance in environments exposed to molten metal, slag, or extreme heat.
Physicochemical Parameters
| Items | Brand | |||||
|---|---|---|---|---|---|---|
| XT-80 | XT-75 | XT-70 | XT-65 | XT-55 | XT-48 | |
| AL2O3 | 80 | 75 | 70 | 65 | 55 | 48 |
| Refractoriness(°C) | 1790 | 1790 | 1790 | 1790 | 1770 | 1750 |
| Apparent porosity(%) | 19 | 20 | 20 | 24 | 24 | 24 |
| Cold crushing strength (Mpa) | 80 | 70 | 65 | 49 | 44.1 | 39.2 |
| 0.2MPa Refractoriness Under Load(°C) | 1650 | 1550 | 1500 | 1500 | 1470 | 1420 |
| Reburning Line Rate of Change (1500°C×2h)% PLC | ±0.1 | ±0.1 | ±0.1 | ±0.1～0.4 | ±0.1～0.4 | ±0.1 |
| Creep rate at room temperature % ≤ | 1(1500°C×50h) | 1(1450°C×50h) | 1(1400°C×50h) | 1(1500°C×50h) | 1(1500°C×50h) | 1(1450°C×50h) |
Product Features
- Al₂O₃ Content: 48% – 80% for a variety of temperature and load-bearing requirements.
- Refractoriness: With a refractoriness range of 1750°C to 1790°C, they are designed to withstand the high-temperature conditions of industrial furnaces.
- Cold Crushing Strength: Strong enough to endure harsh environments with strengths ranging from 39.2 MPa to 80 MPa.
- Customization: Available in various sizes and customizable shapes to fit specific furnace designs and applications.
- Thermal Stability: Excellent performance under high-temperature conditions, offering outstanding resistance to thermal shock and wear.
- Low Creep Rate: With a low creep rate at room temperature, these bricks retain their strength and integrity even after extended exposure to high temperatures.
Applications
High alumina bricks are perfect for use in:
- Kiln Furnaces: Providing reliable insulation and stability in ceramic, glass, and other high-temperature kilns.
- Reheating Furnaces: Protecting the furnace walls from heat damage and ensuring optimal performance.
- Combustion Chambers: Maintaining structural integrity while enduring high-heat conditions.
- Coke Oven Carbonization Chambers: Used in industries requiring high mechanical strength and thermal stability.
- Glass Melting Kilns: Offering resistance to molten glass and slag, extending the life of the kiln.
Customization Services
We offer a range of customization options to meet the specific needs of your furnace applications. Our high alumina bricks can be tailored in terms of size, shape, and design to ensure compatibility with your unique requirements. Some of the customization options we provide include:
- Sizes: Whether you need standard dimensions or custom sizes, we can manufacture high alumina bricks to meet your specific furnace or kiln needs.
- Shapes: We offer various shapes, such as arch bricks, anchor bricks, checker bricks, and more, designed to fit specific applications in different industrial furnaces and kilns.
- Colors: Custom colors are available to match your furnace design or aesthetic preferences.
With our extensive experience in producing high-quality refractory materials, we can provide the best solution tailored to your exact specifications.
Packing and Shipping Details
Our High Alumina Bricks are securely packed using sturdy, eco-friendly materials. Bulk orders are palletized, and custom packaging is available on request.
- Shipping Methods: Sea, air, or road shipping based on order size and destination.
- Delivery Time: 5-7 business days for domestic orders; 7-21 business days for international orders.
- Tracking: Tracking information provided upon dispatch.
- Customs Fees: Customs duties, taxes, and import fees for international orders are the customer’s responsibility.
- Returns: Defective items can be returned within 7 days of receipt.
About Xintai Refractory
Xintai Refractory is a leading manufacturer specializing in high-quality refractory materials. With over 20 years of experience, we provide a wide range of products, including refractory bricks, insulating bricks, and monolithic refractories for various industries such as steel, cement, glass, ceramics, and non-ferrous metals. Known for our expertise in producing durable and heat-resistant materials, Xintai Refractory serves clients globally, offering tailored solutions for high-temperature applications. Our commitment to innovation, quality, and customer satisfaction ensures reliable and cost-effective products for the most demanding environments.
