Product Description：
Ceramic fiber blanket is manufactured by refractory ceramic fibres, providing effective solutions to a wide range of thermal management problems. Utilizing our proprietary high output blowing and spinning techniques, these products supply superior insulating performance, flexibility and resilience.
Features Of Ceramic Fiber Blanket：
- High tensile strength
- Excellent mechanical strength and structural strength
- Low thermal conductivity, low shrinkage, low density
- Excellent thermal capacity
- Good sound absorption
- Good thermal shock resistant
Applications Of Ceramic Fiber Blanket：
- Annealing furnaces
- Furnace door linings and seals
- Soaking pit covers and seals
- Furnace hot face repairs
- Reheating furnace and ladle covers
Specifications Of Ceramic Fiber Blanket：
- Alumina contents range from 40% to 55%
- Widely used throughout metallurgical industry
| Index | General Type | Standard Type | High-Purity Type | High-Alumina Type | Zirconia-Containing Type |
|---|---|---|---|---|---|
| Classification Temperature (°C) | 1100°C | 1260°C | 1260°C | 1360°C | 1430°C |
| Working Temperature (°C) | <1000°C | <1050°C | <1100°C | <1260°C | <1350°C |
| Color | White | Off-white | Off-white | Off-white | Off-white |
| Bulk Density (kg/m³) | 260–320 | 260–320 | 260–320 | 260–320 | 260–320 |
| Maximum Linear Shrinkage (%) | −4 (1000°C) | −3 (1000°C) | −3 (1100°C) | −3 (1250°C) | −3 (1350°C) |
| Thermal Conductivity (w/m·k) (Density 128 kg/m³) | |||||
| 400°C | 0.085 | 0.085 | 0.085 | — | — |
| 800°C | 0.132 | 0.132 | 0.132 | 0.132 | 0.132 |
| 1000°C | 0.180 | 0.180 | 0.180 | 0.180 | 0.180 |
| Tensile Strength (MPa) (10% Thickness Direction) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Chemical Composition (%) | |||||
| Al₂O₃ | 44 | 46 | 47–49 | 52–55 | 39–40 |
| Al₂O₃ + SiO₂ | 96 | 97 | 99 | — | — |
| Al₂O₃ + SiO₂ + ZrO₂ | — | — | — | — | 99 |
| ZrO₂ | — | — | — | — | 15–17 |
| Fe₂O₃ | <1.2 | <1.0 | <0.6 | 0.2 | 0.2 |
| Na₂O + K₂O | ≤0.5 | ≤0.5 | ≤0.2 | ≤0.2 | ≤0.2 |
| Product Size (mm) | Common sizes: 600×400×10–50, 900×600×20–50; other sizes available on request. |