Silica Brick System Solutions GZ-94 BG-96a BG-96b BG-95 JG-94 RG-95
Professional silica brick solutions manufactured to GB/T 2608-2012 standards. Hubei Zhongnai offers GZ-94, BG-96a/96b/95, JG-94, RG-95 series for steel metallurgy, glass furnaces, coke ovens, and industrial applications.
Key words:
Refractory brick
silica brick
refractory materials
glass furnace
steel metallurgy
coke oven
hot blast furnace
GB/T 2608-2012
industrial furnace
Classification:
Product Introduction
Professional Silica Brick Products & Industrial Application Solutions
Manufactured in strict accordance with Chinese National Standard GB/T 2608-2012, covering four comprehensive series: general silica bricks, glass furnace applications, coke oven systems, and hot blast furnace solutions. We provide specialised high-performance silica brick materials for steel metallurgy, glass industry, building materials, and chemical processing applications.
🏭 Asia's Longest Silica Brick Production Line • 260 Metres 🏭
Silica Brick Product Series
GZ-94 General Silica Bricks
Universal silica bricks suitable for various high-temperature industrial furnaces, offering stable performance, economical cost, and versatile applications across multiple industries.
Industrial Applications: Steel metallurgy, non-ferrous metal processing, building materials, and general high-temperature industrial equipment.
BG Series Glass Furnace Silica Bricks
Specialised refractory solutions for glass industry applications, including BG-96a, BG-96b, and BG-95 grades, engineered to meet different glass furnace operational requirements.
Glass Industry Applications: Glass furnace crowns, sidewalls, regenerative chambers, and other critical structural components.
JG-94 Coke Oven Silica Bricks
Optimised formulation specifically designed for coke oven operating conditions, featuring exceptional CO corrosion resistance and superior thermal cycle stability.
Coke Oven Applications: Carbonisation chamber walls, combustion chambers, regenerative chambers, and furnace structural components.
RG-95 Hot Blast Furnace Silica Bricks
Engineered specifically for blast furnace hot stove applications, featuring optimised thermal cycle stability and exceptional thermal shock resistance, capable of continuous service for extended blast furnace campaigns.
Blast Furnace Applications: Hot blast stove walls, arches, regenerative chambers, and checker brick installations.
Technical Specifications Comparison
| Product Series | SiO₂ Content (%) | Fe₂O₃ Content (%) | Apparent Porosity (%) | Bulk Density (g/cm³) | 0.2MPa Load Softening Temperature (°C) | Special Performance Characteristics |
|---|---|---|---|---|---|---|
| GZ-94 | ≥94 | ≤1.4 | ≤22 | ≤2.35 | ≥1650 | General Industrial Performance |
| BG-96a | ≥96 | ≤0.8 | ≤20 | ≤2.34 | ≥1680 | Ultra-Low Iron Content |
| BG-96b | ≥96 | ≤1.0 | ≤22 | ≤2.35 | ≥1670 | Balanced Performance Profile |
| BG-95 | ≥95 | ≤1.2 | ≤22 | ≤2.35 | ≥1660 | Economic Glass Furnace Grade |
| JG-94 | ≥94 | ≤1.4 | ≤22 | ≤2.35 | ≥1650 | CO Corrosion Resistance |
| RG-95 | ≥95 | ≤1.2 | ≤22 | ≤2.34 | ≥1670 | Thermal Shock Resistance, Low Creep |
What is Load Softening Temperature?
Load Softening Temperature refers to the temperature at which refractory materials begin to deform under specified heating conditions whilst bearing constant pressure loads. This critical parameter indicates the material's resistance to the combined effects of high temperature and mechanical stress.
Technical Specifications:
- Test Standard: GB/T 2608-2012 national standard methodology
- Test Conditions: 0.2MPa constant pressure load during heating
- Industrial Significance: Indicates structural stability under operational conditions
- Practical Application: Determines safe operating temperature limits for structural components
Precision Application Selection Guide
🔥 Steel Metallurgy - Hot Blast Furnace Systems
1200-1350°CRecommended Product: RG-95
Application Components: Regenerative chambers, upper combustion chambers, hot air ducts, checker brick installations
Performance Advantages: Exceptional thermal shock resistance, low creep deformation, continuous service capability for extended blast furnace campaigns
🔥 Steel Metallurgy - Coke Oven Systems
1000-1300°CRecommended Product: JG-94
Application Components: Carbonisation chamber sidewalls, combustion chambers, regenerative chambers, furnace crowns and foundations
Performance Advantages: Specialised CO corrosion resistance formulation, superior thermal cycle stability
🏭 Glass Industry - Premium Glass Furnaces
1550-1600°CRecommended Product: BG-96a
Application Components: Melting tank crowns, working tank upper structures, charging port surroundings
Performance Advantages: Ultra-low iron content (Fe₂O₃≤0.8%), superior glass quality protection, exceptional corrosion resistance
🏭 Glass Industry - Standard Glass Furnaces
1500-1550°CRecommended Product: BG-96b
Application Components: Melting section regenerative chambers, middle and upper furnace walls, flue gas systems
Performance Advantages: Balanced performance-to-cost ratio, Fe₂O₃≤1.0% content specification
🏭 Glass Industry - Economic Glass Furnaces
1400-1500°CRecommended Product: BG-95
Application Components: Lower regenerative chambers, compact glass furnaces, repair brick applications
Performance Advantages: Optimal balance of cost control and fundamental performance requirements
🏗️ Building Materials - Cement Kilns & Industrial Applications
800-1300°CRecommended Product: GZ-94
Application Components: Preheater systems, kiln tail smoke chambers, ceramic kilns
Important Note: Not suitable for cement kiln burning zones (requires alkaline refractory materials)
⚡ Power & Chemical - Industrial Furnace Applications
1200-1400°CRecommended Product: GZ-94
Application Components: Coal-fired boiler systems, cracking furnaces, various industrial heating furnaces
Performance Advantages: Excellent general-purpose performance characteristics, economical and practical solution
📊 Selection Decision Matrix
Blast Furnace Hot Stove: RG-95 (Premium/Extended Service Life)
Coke Oven Systems: JG-94 (High Performance/CO Resistance)
Premium Glass Furnaces: BG-96a (Ultra-Premium/Ultra-Low Iron)
Standard Glass Furnaces: BG-96b (High Performance/Balanced)
Economic Glass Furnaces: BG-95 (Standard/Cost-Effective)
General Industrial Furnaces: GZ-94 (Economic/Universal Application)
Critical Usage Precautions & Limitations
⚠️ Unsuitable Applications
Hubei Zhongnai New Material Technology Co., Ltd. specifically advises that silica bricks are NOT suitable for the following applications:
- Alkaline Environments: Environments containing Al₂O₃, K₂O, Na₂O oxides will cause structural damage to silica bricks
- Low-Temperature Thermal Shock: Frequent heating and cooling cycles below 800°C result in poor thermal shock resistance
- Strong Reducing Atmospheres: Certain chemical reduction conditions may compromise structural integrity
- Cement Kiln Burning Zones: Alkaline clinker environments require specialised alkaline refractory materials
Proper Preheating Protocol
Implement controlled heating and cooling procedures below 800°C to prevent thermal shock damage and ensure optimal brick structural integrity throughout service life.
Expansion Joint Engineering
Comprehensive consideration of silica brick thermal expansion characteristics with proper expansion joint design to prevent masonry cracking and structural failure.
Professional Installation Standards
Strict adherence to professional masonry construction specifications to ensure optimal installation quality and maximise operational service life.
Preventive Maintenance Programme
Establishment of systematic equipment inspection and maintenance protocols to identify and address potential issues before they impact operational performance.
Comprehensive Technical Service System
Ultra-Large Production Capacity
Asia's Longest Silica Brick Production Line - 260 Metres
Advanced production infrastructure ensures reliable delivery of high-volume orders with consistent quality standards.
Design Phase Technical Services
- Comprehensive furnace design consultation and optimisation solutions
- Specialised refractory material configuration engineering
- Technical parameter matching and performance analysis
- Detailed economic evaluation and cost-benefit analysis
Construction Phase Technical Support
- On-site technical guidance and professional training programmes
- Standardised masonry process guidance and quality control
- Construction quality assurance and supervision services
- Rapid technical issue resolution and problem-solving support
Operational Phase Technical Services
- Systematic equipment inspection and performance evaluation
- Continuous performance monitoring and analytical reporting
- Optimisation recommendations and improvement strategies
- Comprehensive fault diagnosis and technical solutions
After-Sales Service Commitment
- 24-hour technical consultation and support hotline
- 48-hour guaranteed response to customer technical inquiries
- Rapid spare parts supply and logistics support
- Long-term technical partnership and collaboration programmes
Quality Control & Certification Standards
🏭 Ultra-Large Production Scale
Asia's Longest Silica Brick Production Line
260 Metres
- ✓ Precision automated batching and mixing systems
- ✓ High-pressure forming technology for optimal density
- ✓ 1380-1420°C precise temperature control firing
- ✓ Premium natural silica stone (SiO₂≥97%) raw materials
🔬 Testing & Quality Standards
- ✓ Comprehensive chemical composition analysis (XRF)
- ✓ Complete physical performance testing (ASTM/GB standards)
- ✓ Precise load softening temperature testing
- ✓ Strict dimensional accuracy and tolerance control
📜 Quality Certifications
- ✓ GB/T 2608-2012 National Standard Compliance
- ✓ ISO 9001:2015 Quality Management System
- ✓ National Environmental Protection Certification
- ✓ Industry-Specific Quality Assurance Certifications
Frequently Asked Questions
What makes Hubei Zhongnai's silica bricks superior to standard refractory materials?
Our silica bricks are manufactured using Asia's longest production line (260 metres) with precision automated systems. We maintain strict GB/T 2608-2012 compliance, use premium natural silica stone (SiO₂≥97%), and implement comprehensive quality control testing. This results in superior thermal stability, optimal load softening temperatures, and extended service life compared to standard materials.
How do I select the appropriate silica brick grade for my specific application?
Product selection depends on your specific operating conditions: RG-95 for blast furnace hot stoves (1200-1350°C), JG-94 for coke ovens (1000-1300°C), BG-96a for premium glass furnaces (1550-1600°C), BG-96b for standard glass applications (1500-1550°C), BG-95 for economic glass furnaces (1400-1500°C), and GZ-94 for general industrial applications (1200-1400°C). Our technical team provides free consultation for optimal selection.
What technical support services does Hubei Zhongnai provide?
We provide comprehensive technical services including design phase consultation, construction guidance, operational support, and after-sales service. Our services include furnace design optimisation, on-site technical training, quality control supervision, performance monitoring, and 24-hour technical support hotline with 48-hour response guarantee.
What are the key limitations of silica brick applications?
Silica bricks are not suitable for alkaline environments containing Al₂O₃, K₂O, Na₂O oxides, low-temperature thermal shock applications (frequent cycling below 800°C), strong reducing atmospheres, or cement kiln burning zones. Proper preheating protocols, expansion joint design, and professional installation are essential for optimal performance.
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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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