Alumina Fiber Manufacturer
MORLION
Advanced alumina materials for extreme environments, from precursors to fibers, powders and aerogels.
Morlion (Zhuhai) New Materials Technology Co., Ltd. is a high-tech enterprise in Zhuhai, Guangdong, specializing in the research, production and system integration of advanced alumina materials. Its vertically integrated platform covers ceramic sol precursors, nano alumina powders, continuous alumina fibers, flexible textiles and 3D-printable ceramic filaments, serving aerospace, rail transit, oil and gas, semiconductor and high-temperature industries.
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- 100 tonnesTAlumina Continuous Fiber
- 1000 tonnesTAlumina Bulk Fiber
- 200 tonnesTAlumina Fiber Paper
- 650 tonnesTAlumina Fiber Mat
- 100 tonnesTAlumina Fiber Needled Blanket
Annual production capacity, tonnes
Products
Alumina Continuous Fiber
Learn moreMorlion continuous alumina fiber is a polycrystalline filament made by sol-gel spinning. It is supplied on spools and woven into fabrics, tapes, sleeves, ropes and sewing threads for composites and high-temperature insulation.
- 1200–1300°C long-term useMelting point up to 2050°C
- High strength and modulusUp to 2.7 GPa and 330 GPa
- Oxidation and corrosion resistanceFor harsh, oxidizing service
- Electrical insulationRadio-frequency transparent
- Creep resistanceLow thermal expansion
- Soft and weavableFabrics, tapes, sleeves, ropes
Alumina Short Fiber
Learn moreMorlion alumina short fiber is a polycrystalline alumina–silica fiber made by the sol-gel process. It is converted into bulk fiber, needled blankets, fiber mesh, mesh mats and inorganic paper for ultra-high-temperature insulation.
- 1600°C classification1500°C long-term service
- Acid and alkali resistanceStable chemical performance
- Low shot contentUniform fiber diameter
- Low thermal conductivityLow heat storage
- Thermal shock resistanceWithstands vibration
- No organic componentsNo smoke on heat-up
Aerospace Industry
Continuous alumina fiber supports the development of lightweight thermal protection, radio-frequency-transparent structures, propulsion components and high-temperature composites for aircraft and space systems.
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Automotive Exhaust Systems
Polycrystalline alumina fiber mats, felts and insulators for catalytic-converter mounting, particulate-filter insulation and hot exhaust components.
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Continuous Alumina Fiber Grades
Composition, crystal phase, strength and temperature data for Morlion continuous alumina fibers, how the fibers are made, and how to compare grades.
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Cryogenic Insulation Development
Continuous alumina fiber keeps its strength from about −270°C to above 1600°C, which makes it a candidate for structural supports that must insulate at cryogenic temperatures.
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Ceramic Coatings and Catalyst Supports
Nano alumina and mullite slurries, ceramic sols and high-purity powders for refractory and casting coatings, thermal spray layers, catalyst carriers and functional ceramics.
Learn moreTechnical Strength
A full-spectrum supplier of high-purity alumina and mullite-based advanced materials, serving aerospace, rail transit, oil & gas, semiconductor and high-temperature industrial applications worldwide.
Morlion controls the materials chain from ceramic sol precursors and sol-gel fiber spinning to woven textiles, nano powders, slurries and aerogels. Its lead product, continuous alumina fiber, is produced from in-house precursors and converted into yarns, fabrics, tapes and sleeves for composites and high-temperature insulation.
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In-house precursor-to-product chain
From ceramic sols to fiber, textiles and composites
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Sol-gel fiber spinning technology
Controlled crystal phase, grain size and filament quality
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35 granted invention patents
R&D partnerships with more than ten research institutes
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100 TContinuous alumina fiber per year
Industrial-scale production capacity
Alumina Fibers: Types, Grades and Uses
Alumina fibers are ceramic fibers made mainly of aluminum oxide (Al₂O₃), usually combined with silica (SiO₂) or zirconia. They keep their strength and insulating properties at high temperature: Morlion's continuous alumina fiber grades are rated for long-term use at 1000–1300°C, and its short-fiber blankets, mats and paper at 1500°C. Morlion manufactures both families of alumina fiber and the textiles and insulation products made from them.
Continuous alumina fiber
Continuous alumina fiber is a polycrystalline filament made by sol-gel spinning of an alumina precursor, heat treated and wound onto spools of 500–10000 m. Filaments of the M-735, M-857 and M-996 grades are 9–12 µm in diameter and contain no organic components. The yarn is woven, braided and sewn into fabrics, tapes, sleeves, sewing thread and rope, and used as reinforcement in ceramic, metal and polymer matrix composites.
Alumina short fiber
Alumina short fiber is supplied as bulk fiber and converted into needled blanket, mesh mat, felt and fiber paper. The needled blanket, mesh, mat and paper have a classification temperature of 1600°C and a long-term service temperature of 1500°C. They are used in furnace and kiln linings, seals, battery thermal barriers and catalytic converter mounting mats.
Continuous alumina fiber grades
| Grade | Composition (wt.%) | Crystal phase | Long-term use temperature | Tensile strength | Young's modulus |
|---|---|---|---|---|---|
| M-735 | 73 Al₂O₃ + 27 SiO₂ | γ-Al₂O₃ + amorphous SiO₂ | 1200°C | 2.1 ± 0.3 GPa | 200 ± 30 GPa |
| M-857 | 85 Al₂O₃ + 15 SiO₂ | α-Al₂O₃ + mullite | 1300°C | 2.2 ± 0.3 GPa | 260 ± 30 GPa |
| M-996 | ≥99 Al₂O₃ | α-Al₂O₃ | 1000°C | 2.7 ± 0.3 GPa | 330 ± 30 GPa |
Typical reference data, not design allowables; confirm each grade against its technical data sheet. Full data for all grades, including M-75M and the zirconia-containing M-896.
Where alumina fibers are used
- Aerospace: thermal protection, propulsion and radio-frequency-transparent structures
- Industrial thermal insulation: furnace and kiln linings, curtains and seals
- Electrical and thermal insulation: sleeves, tapes and rope for cables, thermocouples and pipes
- High-temperature filtration: filter media for molten metal and hot gas
- Glass and semiconductor processing: roller sleeves and furnace seals
Choosing an alumina fiber
Start from the operating temperature and atmosphere, whether the part must carry load or only insulate, and the product form you need: filament, textile or short-fiber product. Send an inquiry with these details and Morlion can recommend a grade and supply format.
