Ceramic Fiber Board Technical Specification
Product Introduction:
Ceramic fiber boards are high-performance refractory insulation products manufactured through a wet-forming process using high-purity alumina-silicate ceramic fibers and binders. These rigid boards combine excellent thermal insulation with exceptional mechanical strength, making them ideal for high-temperature applications up to 1430°C (2606°F).
Technical Parameters:
| Property |
CFB-1100 |
CFB-1260 |
CFB-1430 |
| Classification Temperature (°C) |
1100 |
1260 |
1430 |
| Al₂O₃ Content (%) |
≥45 |
≥52 |
≥60 |
| Fe₂O₃ Content (%) |
≤1.5 |
≤1.2 |
≤1.0 |
| Bulk Density (kg/m³) |
280-320 |
300-350 |
320-380 |
| Thermal Conductivity (W/m·K) at 500°C |
0.09 |
0.10 |
0.11 |
| Cold Crushing Strength (MPa) |
≥0.8 |
≥1.0 |
≥1.2 |
| Linear Shrinkage (%) after 24h at max temp |
≤2.0 |
≤1.8 |
≤1.5 |
Standard Dimensions:
Thickness: 10mm, 20mm, 25mm, 50mm, 75mm
Panel Size: 600×900mm, 600×1200mm, 1000×1200mm
Custom sizes available with minimum order quantity
Key Advantages:
Superior Thermal Performance:
Ultra-low thermal conductivity (0.09-0.11 W/m·K at 500°C)
Energy savings up to 30% compared to traditional insulation
Excellent Mechanical Properties:
High compressive strength (0.8-1.2 MPa)
Maintains structural integrity under vibration and mechanical stress
Chemical Stability:
Resistant to most acids, alkalis, and corrosive gases
Non-wetting by molten aluminum and other non-ferrous metals
Installation Benefits:
Easy to cut and shape with standard woodworking tools
Can be machined to precise tolerances (±0.5mm)
Applications:
Foundry & Metal Processing: Ladle covers, tundish linings, furnace doors
Petrochemical: Flange insulation, reactor backup insulation
Power Generation: Boiler wall insulation, heat recovery systems
Glass & Ceramics: Kiln car tops, annealing lehr insulation
General Industry: High-temperature gaskets, expansion joints
Installation Guidelines:
Surface Preparation: Clean and dry substrate surface
Cutting: Use carbide-tipped tools for clean edges
Fixing Methods:
Mechanical fastening with ceramic washers/studs
High-temperature adhesives (silicone-based or ceramic cement)
Joint Treatment: Stagger joints and seal with ceramic fiber paper/rope
Quality Assurance:
ISO 9001:2015 certified manufacturing
Third-party inspection available
18-month quality guarantee
Packaging & Storage:
Standard: Wooden crates with waterproof wrapping
Storage: Keep in dry conditions (<65% RH) on flat surfaces
Why Choose Our Ceramic Fiber Boards?
Technical Expertise:
Over 15 years experience in ceramic fiber technology
R&D team available for application consulting
Custom Solutions:
Custom formulations for specific temperature/chemical requirements
CAD/CAM cutting services available
Customer Support:
Free technical consultation and sample service
24/7 emergency support for critical applications
Order Information:
MOQ: 10m² for standard sizes
Delivery: FOB/CIF terms available
For technical drawings or application engineering support, please contact our technical department.
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