Professional High Alumina Castables CH-GL & CH-NT Series - Superior Blast Furnace & Industrial Furnace Applications
Professional high alumina castables CH-GL85/70/60 & CH-NT50/42 for blast furnaces, hot blast stoves, heating furnaces, ceramic kilns, and boilers. Exceptional mechanical strength, superior thermal shock resistance, and outstanding corrosion protection. Manufactured by Hubei Zhongnai New Material Technology Co., Ltd.
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Product Introduction
Professional High Alumina Castables CH-GL & CH-NT Series
Superior Blast Furnace & Industrial Furnace Performance Solutions
Exceptional Mechanical Strength, Thermal Shock Resistance & Corrosion Protection
Hubei Zhongnai New Material Technology Co., Ltd.
Leading Manufacturer of Professional High Alumina Castable Refractories
Advanced High Alumina Castable Technology
Our Professional High Alumina Castables represent state-of-the-art refractory engineering, utilizing premium high-alumina raw materials as aggregates and powder, combined with advanced binding agents to deliver exceptional performance. Available in five specialized grades ranging from 42% to 85% Al₂O₃ content, these castables offer outstanding mechanical strength, superior thermal shock resistance, and excellent corrosion protection. Engineered for demanding industrial applications including blast furnaces, hot blast stoves, heating furnaces, ceramic kilns, and boilers, our castables ensure reliable operation under extreme high-temperature conditions.
Two Specialized Performance Series
CH-GL-85: 85% Al₂O₃, 1780°C refractoriness, 35 MPa strength
CH-GL-70: 70% Al₂O₃, 1720°C refractoriness, 35 MPa strength
CH-GL-60: 60% Al₂O₃, 1700°C refractoriness, 30 MPa strength
Designed for the most demanding high-temperature applications requiring maximum alumina content and thermal performance.
CH-NT-50: 50% Al₂O₃, 1660°C refractoriness, 30 MPa strength
CH-NT-42: 42% Al₂O₃, 1640°C refractoriness, 25 MPa strength
Engineered for cost-effective solutions in moderate to high-temperature applications while maintaining excellent performance characteristics.
Superior Performance Characteristics
Exceptional Mechanical Strength
Outstanding compressive strength up to 35 MPa with excellent structural integrity under thermal cycling conditions
Superior Thermal Shock Resistance
Excellent resistance to rapid temperature changes and thermal cycling, preventing cracking and spalling
Outstanding Corrosion Resistance
Superior protection against slag attack, chemical corrosion, and molten metal penetration
High Refractoriness
Service temperatures ranging from 1640°C to 1780°C for diverse high-temperature applications
Excellent Abrasion Resistance
Superior wear resistance in high-stress environments with particle impact and material flow
Convenient Construction
Easy mixing, casting, and installation with reliable setting characteristics and excellent workability
Outstanding Technical Properties
- 🔥 High Refractoriness: Up to 1780°C service temperature
- 💎 Premium Alumina Content: 42-85% Al₂O₃ for superior performance
- 💪 Exceptional Strength: Up to 35 MPa compressive strength
- 💧 Optimized Water Consumption: 7-10% water requirement for casting
- ⚡ Rapid Curing: Short curing time for efficient installation
- 🛡️ Chemical Stability: Excellent resistance to chemical attack
Advanced Engineering Benefits
- ✅ Extended Service Life: Superior durability reduces maintenance frequency
- ✅ Versatile Applications: Suitable for diverse industrial furnace environments
- ✅ Cost-Effective Solutions: Multiple grades for optimal performance-to-cost ratio
- ✅ Reliable Performance: Consistent quality and predictable behavior
- ✅ Energy Efficiency: Excellent thermal properties reduce energy consumption
- ✅ Prefabricated Capability: Can be formed into prefabricated blocks
Technical Specifications - Complete Series Comparison
| Technical Parameters | CH-GL-85 | CH-GL-70 | CH-GL-60 | CH-NT-50 | CH-NT-42 |
|---|---|---|---|---|---|
| Al₂O₃ Content (%) ≥ | 85 | 70 | 60 | 50 | 42 |
| Refractoriness (°C) ≥ | 1780 | 1720 | 1700 | 1660 | 1640 |
| Test Temperature After Burning ≤1% (°C) | 1500 | 1450 | 1400 | 1400 | 1350 |
| Compressive Strength (110±5°C) (MPa) ≥ | 35 | 35 | 30 | 30 | 25 |
| Flexural Strength (110±5°C) (MPa) ≥ | 5 | 5 | 4 | 4 | 3.5 |
| Water Requirement (%) | 7-10 | 7-10 | 7-10 | 7-10 | 7-10 |
| Curing Time | Short | Short | Short | Short | Short |
Primary Industrial Applications
Blast Furnace Systems
Furnace hearths, stacks, tapping holes, iron runners, and blast furnace linings requiring exceptional strength and molten metal resistance
Hot Blast Stove Applications
Combustion chambers, dome areas, checker brick supports, and regenerative heat exchanger systems demanding high-temperature stability
Heating Furnace Systems
Reheating furnaces, soaking pits, heat treatment furnaces, and metallurgical heating equipment requiring thermal shock resistance
Ceramic Kiln Applications
Tunnel kilns, shuttle kilns, rotary kilns, and ceramic manufacturing equipment demanding consistent high-temperature performance
Boiler & Power Plant Systems
Power plant boilers, steam generation systems, furnace walls, and thermal power equipment requiring reliable operation
General Industrial Furnaces
Various high-temperature industrial processing equipment, coating applications, and specialized thermal systems
Exceptional High-Temperature Performance
Superior refractoriness up to 1780°C with excellent thermal stability and dimensional consistency
Premium Alumina Technology
Advanced high-alumina formulations delivering outstanding mechanical properties and chemical resistance
Superior Corrosion Protection
Excellent resistance to slag attack, molten metal penetration, and aggressive chemical environments
Outstanding Thermal Shock Resistance
Exceptional performance during rapid temperature changes and thermal cycling conditions
Convenient Installation
Easy mixing and casting with reliable setting characteristics and excellent workability properties
Extended Service Life
Superior durability and performance consistency reduce maintenance requirements and operational costs
Advanced Material Engineering
Premium Raw Material Selection: Our high alumina castables utilize carefully selected high-grade alumina aggregates and powders, combined with advanced binding agents to achieve optimal particle size distribution and superior performance characteristics.
Optimized Formulation Technology: Advanced cement chemistry and binding systems ensure excellent mechanical properties, thermal stability, and resistance to thermal shock while maintaining convenient construction characteristics and reliable setting behavior.
Quality Assurance & Applications
Comprehensive Testing Standards: Every batch undergoes rigorous quality control including mechanical strength testing, thermal property analysis, and chemical composition verification to ensure consistent performance standards across all grades.
Versatile Application Solutions: Our five-grade series provides optimal solutions for diverse industrial requirements, from cost-effective moderate-temperature applications to premium high-performance extreme-temperature environments, ensuring perfect performance-to-cost optimization.
Industry Search Keywords
Partner with Hubei Zhongnai for Professional Refractory Solutions
Experience superior high alumina castable technology with our comprehensive CH-GL & CH-NT Series for exceptional industrial performance
Company Name
Hubei Zhongnai New Material Technology Co., Ltd.
Specialisation
Professional High Alumina Castable Manufacturing
Product Excellence
CH-GL & CH-NT Series High Alumina Castables, Industrial Refractory Solutions
Technical Expertise
Custom High-Temperature Refractory Engineering Solutions
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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