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Aluminum Silicate Fiber Roll Felt
Professional matching new thermal insulation materials
Various types of aluminosilicate fiber felts—ordinary, standard, high-purity, high-alumina, and zirconium-containing—produced via the spun-fiber process are manufactured through a series of steps including needle punching, thermal setting, longitudinal and transverse cutting, and rolling. Needle-punched blankets with different densities and thicknesses offer users a wide range of material options, enabling them to achieve optimal thermal insulation performance and efficiency.
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Aluminum Silicate Fiber Roll Felt
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Product Details
Various types of aluminosilicate fiber felts—ordinary, standard, high-purity, high-alumina, and zirconium-containing—produced via the spun-fiber process are manufactured through a series of steps including needle punching, thermal setting, longitudinal and transverse cutting, and rolling. Needle-punched blankets with different capacities and thicknesses offer users a wide range of material options, enabling them to achieve optimal thermal insulation performance and efficiency.
The spunbonded fiber blanket features uniform diameter, long fibers, and low slag-ball content, which significantly enhance its performance in terms of fiber interweaving, resistance to delamination, resistance to wind erosion, flexibility, and tensile strength. As a result, the application performance of the needle-punched blanket is improved, and material waste is reduced.
Spunbond fibers do not use any binders, ensuring that the product maintains excellent reliability and stability in a variety of environments.
Industrial building material kilns, heating devices, high-temperature pipe linings, power boilers, gas turbines and nuclear power insulation, wall linings for high-temperature reaction equipment and heating devices in the chemical industry, fireproofing for high-rise buildings, thermal insulation for kiln doors and roof covers, and high-temperature filtration materials with thermal insulation properties.
| Project | Standard type | Standard type | High-purity type | High-alumina type | Zirconium-containing type | |
| Classification temperature (℃) | 1100 | 1260 | 1260 | 1360 | 1430 | |
| Operating temperature (℃) | <1000 | 1050 | 1100 | 1200 | 1350 | |
| Color | White | Pure white | Pure white | Pure white | Pure white | |
| Volumetric density (kg/m³) | 96/128 | 96/128 | 96/128 | 128/160 | 128/160 | |
| Permanent line shrinkage (%) | -4 (1000℃) | -3 (1000℃) | -3 (1000℃) | -3 (1000℃) | -3 (10℃) | |
| Thermal conductivity (W/m·K) at each hot surface temperature | 0.09 (400℃) | 0.09 (400℃) | 0.09 (400℃) | 0.12 (600℃) | 0.16 (800℃) | |
| 0.09 (400℃) | 0.09 (400℃) | 0.09 (400℃) | 0.09 (400℃) | 0.09 (400℃) | ||
| 0.16 (800℃) | 0.16 (800℃) | 0.20 (1000℃) | 0.20 (1000℃) | 0.20 (1000℃) | ||
| Tensile Strength (MPa) | 0.08–0.12 | 0.08–0.12 | 0.08–0.12 | 0.08–0.12 | 0.08–0.12 | |
| Chemical composition (%) | Al 2 O 3 | 44 | 46 | 47-49 | 52-55 | 39-40 |
| Al 2 O 3 +SiO 2 | 96 | 97 | 99 | 99 | 39-40 | |
| Al 2 O 3 +SiO 2 +ZrO 2 | 96 | 97 | 99 | 99 | 99 | |
| ZrO 2 | 96 | 97 | 99 | 99 | 15-17 | |
| Fe 2 O 2 | <1.2 | <1.0 | 0.2 | 0.2 | 0.2 | |
| No 2 O+K 2 O | ≤0.5 | ≤0.5 | 0.2 | 0.2 | 0.2 | |
Product dimensions (mm): Common specification 7200*610*10*10-50; other specifications available upon customer request.
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Address: No. 29, Zhichu Road, Zhifu District, Yantai City
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