High-Strength Wear-Resistant Self-Flowing Alumina Castables CH-zlj75/80 for Blast Furnace Iron Runner and CFB Boiler Applications - Superior Thermal Shock Resistance and Corrosion Protection
Professional high-strength wear-resistant self-flowing alumina castables CH-zlj75/80 for blast furnace iron runner and CFB boiler applications. Superior thermal shock resistance, corrosion protection, and easy construction. Manufactured by Hubei Zhongnai New Material Technology Co., Ltd.
Key words:
Refractory Castables
self-flowing castables
high alumina castables
blast furnace refractory
CFB boiler castables, wear-resistant castables
thermal shock resistant, refractory materials
iron runner castables
corundum castables
mullite castables
Classification:
Product Introduction
High-Strength Wear-Resistant Self-Flowing Alumina Castables CH-zlj75/80
Superior Performance for Blast Furnace Iron Runner and CFB Boiler Applications
Advanced Thermal Shock Resistance and Corrosion Protection Technology
Hubei Zhongnai New Material Technology Co., Ltd.
Professional Manufacturer of High-Performance Refractory Materials
Product Overview
Our High-Strength Wear-Resistant Self-Flowing Alumina Castables CH-zlj75/80 are engineered using premium-grade bauxite clinker, mullite, and fused corundum as primary raw materials. These advanced refractory castables incorporate pure calcium aluminate cement, corundum micropowder, and silicon micropowder as sophisticated binding agents, delivering exceptional performance in demanding high-temperature industrial applications.
Key Technical Features
- 🔥 High-Temperature Resistance: Refractoriness up to 1790°C
- 💪 Superior Mechanical Strength: Compressive strength up to 85 MPa
- 🌊 Self-Flowing Properties: Excellent fluidity (≥200mm flow value)
- ⚡ Thermal Shock Stability: 20+ cycles at 900°C water-cooling
- 🛡️ Wear Resistance: Exceptional abrasion resistance
- 🔧 Easy Construction: No vibration equipment required
Superior Performance Benefits
- ✅ Extended Service Life: Reduces maintenance frequency
- ✅ Cost-Effective Installation: Simplified construction process
- ✅ Excellent Corrosion Resistance: Withstands aggressive environments
- ✅ High Density Structure: Superior impermeability
- ✅ Thermal Stability: Minimal linear expansion
- ✅ Environmental Compliance: Eco-friendly composition
Technical Specifications
| Technical Parameters | Test Conditions | CH-zlj75 | CH-zlj80 |
|---|---|---|---|
| Al₂O₃ Content (%) | ≥ | 75 | 80 |
| SiO₂ Content (%) | ≤ | 20 | 16 |
| Bulk Density (g/cm³) | ≥ | 2.6 | 2.7 |
| Flexural Strength (MPa) | 110°C × 24h | 7.0 | 8.0 |
| Flexural Strength (MPa) | 1100°C × 3h | 11 | 12 |
| Compressive Strength (MPa) | 110°C × 24h | 60 | 70 |
| Compressive Strength (MPa) | 1100°C × 3h | 70 | 85 |
| Normal Temperature Wear (cm³ ≤) | Standard Test | 8 | 9 |
| Refractoriness (°C) | ≥ | 1790 | 1790 |
| Thermal Shock Stability (cycles) | 900°C water-cooling | 20 | 20 |
| Permanent Linear Change (%) | 1000°C × 3h | -0.25 | -0.25 |
| Self-Flow Value (mm) | ≥ | 200 | 200 |
Primary Applications
Blast Furnace Systems
Iron runner channels, tapping troughs, and interface zones between stave coolers and blast furnace shells
CFB Boiler Components
Combustion chambers, cyclone separators, furnace hearths, and dense phase zones
Industrial Furnaces
High-temperature processing equipment, heating furnaces, and thermal treatment systems
Steelmaking Applications
Ladle linings, tundish systems, and continuous casting equipment
Petrochemical Industry
Reactor vessels, process heaters, and high-temperature pipelines
Power Generation
Boiler protection systems, flue gas channels, and heat recovery equipment
Installation Advantages
Self-Flowing Technology: Our castables feature advanced self-flowing properties that eliminate the need for external vibration equipment during installation. This revolutionary characteristic significantly reduces construction time, labour costs, and noise pollution while ensuring consistent, high-quality results.
Simplified Construction Process: The excellent fluidity allows for easy pouring into complex shapes and confined spaces, ensuring complete filling of moulds and achieving optimal density without manual intervention.
Quality Assurance
Premium Raw Materials: We utilise only the finest bauxite clinker, mullite, and fused corundum sourced from certified suppliers, ensuring consistent quality and performance.
Advanced Manufacturing: Our state-of-the-art production facilities employ precision control systems and rigorous quality testing protocols to guarantee product reliability and performance consistency.
High-Temperature Stability
Exceptional performance up to 1790°C with minimal thermal expansion
Superior Strength
Outstanding mechanical properties with compressive strength up to 85 MPa
Self-Flowing Properties
Excellent fluidity ensures complete mould filling without vibration
Thermal Shock Resistance
Withstands rapid temperature changes with 20+ thermal shock cycles
Industry Keywords
Contact Hubei Zhongnai New Material Technology
Partner with us for superior refractory solutions tailored to your specific industrial requirements
Company Name
Hubei Zhongnai New Material Technology Co., Ltd.
Specialisation
High-Performance Refractory Materials Manufacturing
Product Range
Self-Flowing Castables, High Alumina Refractories, Industrial Ceramics
Quality Standards
ISO Certified, International Quality Compliance
Related Products
Product Consulting
Continuously meet customer needs with excellent products and services
For more product information or technical support, please contact us
Contact Information
Contact:+86-19171489999
Address: Yangzhai Town Metallurgical Industrial Park, Guangshui City, Hubei Province
Copyright©Hubei Zhongnai New Material Technology Co., Ltd.
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