Product Details
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
- 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
- Annealing furnaces
- Furnace door linings and seals
- Soaking pit covers and seals
- Furnace hot face repairs
- Reheating furnace and ladle covers
Specifications
- Alumina contents range from 40% to 55%
- Widely used throughout metallurgical industry
Physical And Chemical Indicators
| Brand Properties |
ST BLT | HA BLT | HZ BLT | |
| Specification Temp. (℃) | 1260 | 1360 | 1430 | |
| Working Temp. (℃) | 1050 | 1200 | 1350 | |
| Bulk Density (kg/m3) | 96 128 |
96 160 |
96 160 |
|
| Permanent linear change (%) | -3 (1000℃) |
-3 (1250℃) |
-3 (1350℃) |
|
| Thermal Conductivity | 0.09(400℃) 0.176(800℃) |
0.132(600℃) 0.22(1000℃) |
0.76(600℃) 0.22(1000℃) |
|
| Tensile strength (MPa) | 0.050 | 0.060 | 0.060 | |
| Chemical Composition (%) | Al2O3 | 44 | 52 | 34 |
| Al2O3+SiO2 | 96 | 99 | – | |
| Al2O3+SiO2+ZrO2 | – | – | 99 | |
| ZrO2 | – | – | 15-17 | |
| Fe2O3 | <1.0 | 0.2 | 0.2 | |
| Na2O+K2O | ≤0.5 | 0.2 | 0.2 | |
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