Product Overview
The cast zirconia refractory brick (zirconia mullite refractory brick) is a high-performance refractory material specifically designed for high-temperature environments in the steel industry. It is primarily used in critical parts such as slide rails and pusher systems. By incorporating ZrO₂ into the Al₂O₃-SiO₂ system, the product significantly enhances the chemical resistance, wear resistance, and thermal stability of mullite.
Main Features
1. High Wear Resistance
Manufactured using the casting process, the brick has a dense crystalline structure, offering superior wear resistance. Its service life is more than double that of traditional materials.
2. High-Temperature Stability
With a high load-softening temperature and excellent thermal stability, the brick maintains its structural integrity in extreme high-temperature conditions.
3. Chemical Resistance
It exhibits good resistance to acidic or neutral slag and remains stable in oxidizing atmospheres.
4. Thermal Shock Resistance
It can effectively withstand thermal stress from rapid heating and cooling, reducing the risk of cracking.
5. Low Thermal Expansion Coefficient
The brick has a low thermal expansion rate, making it suitable for slide rail systems with frequent temperature changes.
Product Specifications
- Dimensions: Customizable according to customer requirements. Common sizes include 200mm × 200mm × 100mm.
- Density : Bulk density ≥ 3.0 g/cm³.
- Compressive Strength: Room-temperature compressive strength ≥ 20 MPa.
- Maximum Service Temperature : Up to 2200°C.
Application Scenarios
- Steel Industry: Used in heating furnaces, pusher slide rails, and steel outlet channels.
- Other Industries: Also applicable in high-temperature equipment such as hard metal furnaces and fused quartz furnaces.
Advantages and Value
- Increased Production Efficiency : High wear resistance and chemical resistance reduce equipment maintenance frequency and extend service life.
- Reduced Production Costs : Longer service life means fewer replacements of refractory materials.
- Enhanced Safety : Excellent thermal shock resistance and high-temperature stability ensure safe operation of equipment under extreme conditions.
Purchase and Services
- Customization : We offer customized products based on specific customer requirements.
- Technical Support : Professional technical support and after-sales services are provided to ensure optimal performance of the product in practical applications.
Packaging and Transportation
- Packaging : The product is packaged in sturdy wooden crates to ensure safety during transportation.
- Transportation : We support various transportation methods, including land and sea freight, to ensure timely delivery.
The cast zirconia refractory brick (zirconia mullite refractory brick) has become an essential high-performance refractory material for slide rail systems in the steel industry. It is an ideal choice for improving production efficiency and reducing maintenance costs.
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