Lightweight Insulating Refractory Castables from Xintai Refractory are designed to meet the unique insulation and thermal management needs of high-temperature furnaces and kilns. These castables are made from high-quality lightweight aggregates, superfine powders, and special additives that provide excellent thermal insulation and refractoriness, while also reducing the weight of the furnace linings.
These castables are ideal for applications where low thermal conductivity, high insulating properties, and reduced weight are crucial. The combination of lightweight materials and low density ensures better thermal efficiency and energy savings. Additionally, the high compressive strength and good thermal shock resistance ensure long-lasting performance in industrial applications.
Physicochemical Parameters
| Property | XT-0.5 | XT-0.8 | XT-1.0 | XT-1.1 | XT-1.3 | XT-1.5 | XT-1.8 |
|---|---|---|---|---|---|---|---|
| Bulk Density (g/cm³) | ≥0.5 | ≥0.8 | ≥1.0 | ≥1.1 | ≥1.3 | ≥1.5 | ≥1.8 |
| Max. Service Temperature (°C) | 1150 | 1200 | 1250 | 1250 | 1300 | 1300 | 1350 |
| Thermal Conductivity (W/m·K) | 350°C | ≤0.15 | ≤0.25 | ≤0.3 | ≤0.4 | ≤0.45 | ≤0.6 |
| 700°C | ≤0.20 | ≤0.30 | ≤0.35 | ≤0.45 | ≤0.50 | ≤0.60 | |
| Cold Crushing Strength (MPa) | 110℃×24h | ≥1.5 | ≥2.0 | ≥4.0 | ≥5.5 | ≥10 | ≥15 |
| 1000℃×3h | ≥1.5 | ≥2.0 | ≥5.5 | ≥6.5 | ≥15 | ≥20 | |
| Permanent Linear Change (%) | 1000℃×3h | -1.5 | -1.0 | -1.0 | -0.5 | -0.5 | -0.5 |
Product Features
- Low Thermal Conductivity: Ranges from 0.15 to 0.75 W/m·K, ensuring excellent thermal insulation and reduced energy consumption.
- Lightweight: Bulk density ranges from 0.5 to 1.8 g/cm³, making it easy to handle and apply.
- High Compressive Strength: Cold crushing strength from 1.5 to 30 MPa, making it suitable for industrial applications that require durability.
- Thermal Shock Resistance: Designed to withstand thermal cycling with minimal volume change (permanent linear change from -1.5% to -0.5% at 1000°C).
- Customizable: Tailored to meet the specific temperature, strength, and insulating requirements of your furnace or kiln.
Applications
Lightweight Insulating Refractory Castables are ideal for a variety of applications in industries that require efficient thermal insulation and energy savings, including:
- Rotary Kilns: Provides excellent insulation for heat retention in high-temperature applications.
- Industrial Kilns: Perfect for lining kilns in industries such as cement, ceramics, and lime production.
- Heat Treatment Furnaces: Used in various furnaces where high-temperature insulation is needed.
- Furnace Covers and Ceilings: Offers effective insulation for furnace covers, ceilings, and mobile covers.
- Smelting Furnaces: Widely used in metal smelting applications, including steel, iron, aluminum, and non-ferrous metals.
- Power Generation: Ideal for boiler linings and combustion chambers in power plants.
- Chemical Industry: Used in petrochemical heaters, reactors, coke ovens, and other high-temperature applications.
Customization Services
We understand that each application has its unique requirements. Therefore, we offer customized Lightweight Insulating Refractory Castables to fit your specific needs, including:
- Custom Sizes: Tailored to meet the dimensions required for your furnace, kiln, or equipment.
- Special Shapes: Custom-designed for complex geometries, such as arch bricks, checker bricks, and other unique shapes.
- Performance Specifications: Adjusted to meet specific thermal conductivity, compressive strength, and temperature conditions.
Reach out to discuss your project, and we’ll provide a customized solution that meets your specific requirements.
Packing and Shipping Details
Our Lightweight Insulating Refractory Castables are carefully packaged to ensure they arrive safely at your location:
- Packaging Material: Eco-friendly, durable packaging designed to protect the products during shipping.
- Bulk Orders: Large orders are palletized for extra security and ease of handling.
- Custom Packaging: Available upon request to meet specific storage or shipping needs.
About Xintai Refractory
Xintai Refractory is a trusted manufacturer specializing in the production of high-quality refractory materials. With over 20 years of experience in the industry, we offer a comprehensive range of products, including refractory bricks, insulating materials, and monolithic refractories. Our solutions are tailored to meet the demanding needs of industries such as steel, cement, glass, ceramics, and power generation.
We are committed to providing our customers with high-performance products, custom solutions, and reliable service. Contact us today for your Lightweight Insulating Refractory Castable needs!
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