High-Strength High Alumina Refractory Castables are designed for applications where superior mechanical strength and excellent thermal stability are required. These castables feature an optimized particle size distribution and the addition of special additives to reduce cement content, improving the material’s overall heat stability. The result is a highly durable refractory material with excellent resistance to permeation, erosion, impact, and wear, making it ideal for use in a variety of industrial furnaces and kilns.
These high alumina castables offer enhanced structural integrity, with superior airtightness compared to traditional brick-lined furnaces. This leads to longer furnace life, reduced repair costs, and improved economic benefits.
Physicochemical Parameters
| Property | XT-80 | XT-70 | XT-65 |
|---|---|---|---|
| Chemical Composition/% | AL2O3 ≥80 | AL2O3 ≥70 | AL2O3 ≥65 |
| Bulk Density (g/cm³) | ≥2.75 | ≥2.50 | ≥2.40 |
| Flexural Strength (MPa) | ≥12 (110℃ * 24h) | ≥10 (110℃ * 24h) | ≥9 (110℃ * 24h) |
| ≥12 (1100℃ * 3h) | ≥10 (1100℃ * 3h) | ≥6.5 (1100℃ * 3h) | |
| Compressive Strength (MPa) | ≥90 (110℃ * 24h) | ≥80 (110℃ * 24h) | ≥70 (110℃ * 24h) |
| ≥90 (1100℃ * 3h) | ≥80 (1100℃ * 3h) | ≥50 (1100℃ * 3h) | |
| Permanent Linear Change (%) | ±0.5 (1100℃ * 3h) | ±0.5 (1100℃ * 3h) | ±0.5 (1100℃ * 3h) |
| Thermal Shock Resistance | 5.5 (1100℃ water-cooling) | 5 (1100℃ water-cooling) | 5 (1100℃ water-cooling) |
Product Features
- High Mechanical Strength: Offers excellent strength and durability in extreme conditions.
- Thermal Shock Resistance: Outstanding resistance to thermal cycling, ensuring long-term stability.
- Wear Resistance: Superior resistance to erosion and wear, extending service life.
- Impact Resistance: Designed to withstand mechanical impacts in high-temperature environments.
- Airtightness: Superior gas-tightness compared to brick-lined furnaces, improving furnace efficiency and lifespan.
- Cost-Effective: Reduces repair costs and improves the economic efficiency of furnaces.
Applications
High-Strength High Alumina Refractory Castables are ideal for high-temperature applications in a wide range of industries, including:
- Boilers: Excellent resistance to high-erosion environments and thermal stress.
- Blast Furnace Hot Blast Stoves: Durable linings that withstand extreme conditions and thermal cycling.
- Heating Furnaces: Suitable for various types of heating systems that require strong, reliable materials.
- Ceramic Kilns: Provides load-bearing solutions for kilns subjected to high temperatures.
- Smelting Furnaces: Used for high-performance linings in various smelting applications.
Customization Services
We offer a variety of customization options for our high-strength high alumina refractory castables to meet your specific furnace or kiln requirements:
- Custom Sizes: Tailored to fit your unique application needs.
- Special Shapes: Including arch bricks, anchor bricks, checker bricks, and more.
- Performance Specifications: Custom formulations designed for specific temperature, pressure, and mechanical conditions.
Contact us today to discuss your requirements, and we will provide a customized solution that fits your needs perfectly.
Packing and Shipping Details
Our High-Strength High Alumina Refractory Castables are securely packaged to ensure safe transport. We use eco-friendly materials to protect the product during shipment:
- Packaging Material: Durable and environmentally friendly to prevent damage during transit.
- Bulk Orders: For large orders, products are palletized for extra security.
- Custom Packaging: Available upon request to meet your specific needs.
About Xintai Refractory
Xintai Refractory is a leading manufacturer specializing in high-quality refractory materials for a range of industrial applications. With over 20 years of experience, we provide durable products, including refractory bricks, insulating bricks, and monolithic refractories. Our materials are designed to meet the toughest challenges in industries such as steel, cement, glass, ceramics, and non-ferrous metals.
We are committed to delivering exceptional quality, innovation, and customer satisfaction. Our team works closely with clients to offer customized solutions for all your high-temperature needs.
For more information or to request a quote, please don’t hesitate to contact us.
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