1. Product Overview
2. Structure and Working Principle
3. Key Features
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(1) Ultra-high temperature resistance up to 1600°C
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(2) Excellent thermal stability
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(3) Low thermal conductivity
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(4) Strong thermal shock resistance
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(5) High mechanical strength
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(6) Chemical corrosion resistance
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(7) Easy machining and processing
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(8) Environmentally friendly and asbestos-free
4. Technical Parameters
| Item | Unit | Value |
| Max Working Temp | °C | ≤1600 |
| Melting Point | °C | ＞1800 |
| Density | kg/m³ | 280 / 300 / 320 |
| Thermal Conductivity | W/m·K | 0.18 (800°C) |
| Compressive Strength | MPa | ≥0.6 |
| Flexural Strength | MPa | ≥0.5 |
| Shrinkage | % | ≤1.5 |
| Composition | % | Al₂O₃ ≥72% |
| Combustibility | --- | Non-combustible |
5. Specifications & Customization
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Standard size: 1000×600mm / 1200×600mm
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Thickness: 10–100mm
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Density: 280–320 kg/m³
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Surface: coating or reinforced treatment available
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Customization: size, density, and composite structures
6. Applications
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Industrial furnaces
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Metallurgical equipment
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Petrochemical and power industries
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Aerospace insulation systems
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New energy equipment
7. Installation Guide
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Ensure clean and dry installation surface
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Cut to required size
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Fix by adhesive or mechanical fasteners
8. Comparison with Conventional Materials
| Property | Polycrystalline Board | Standard Fiber Board |
| Temperature | 1600°C | 1260–1400°C |
| Stability | High | Medium |
| Strength | High | Lower |
9. Quality Control
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Raw material testing
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Thermal conductivity testing
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High-temperature testing
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Strength testing
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Environmental compliance testing
10. Packaging & Storage
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Carton or pallet packaging
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Avoid compression during transport
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Store in dry and ventilated environment
11. Services
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Free samples
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Technical consultation
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Custom manufacturing
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After-sales support
12. FAQ
A1: Polycrystalline boards have a crystallized mullite structure, offering higher temperature resistance (up to 1600°C) and better stability.
Q2: Can it be customized?
A2: Yes, size, density, and structure can be customized.
Q3: Is it environmentally friendly?
A3: Yes, it is asbestos-free and complies with international standards.