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Amatrium Materials AI
Thermal Ceramics Saffil® LA Bulk
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Saffil alumina fibers are high purity polycrystalline fibers designed for use in applications up to 2900°F (1600°C). Since their development in the early 1970’s Saffil fibers have been used successfully to overcome problems in demanding high temperature insulation and many other specialty applications.

Saffil fibers are produced by a unique solution extrusion process which ensures the highest levels of chemical purity and the lowest possible levels of shot content (non-fibrous particles).

The fiber is processed to ensure that a high level of alumina is converted into the extremely thermally stable alpha alumina phase. This process gives the finished product exceptional resistance to shrinkage and chemical attack at high temperature, while maintaining excellent flexibility and resilience characteristics.


  • Refractoriness - Low shrinkage at high temperature 2900°F (1600°C) ensures long life in the most demanding applications
  • Thermal Conductivity - Very low shot levels translate into low thermal conductivity, offering savings on fuel and rapid payback on investment
  • Resistance to Chemical Attack - High levels of alumina, low silica and trace element levels ensure chemical stability in the majority of industrial process conditions
  • Resilience - Unique method of manufacture and high classification temperature result in a fibre with exceptional resilience at high temperatures
  • Information provided by Thermal Ceramics

    Data has not been recently verified. Please contact manufacturer for current information.

    Available Properties
    • Density
    • Solubility in Water, Insoluble
    • Loss On Ignition
    • Melting Point
    • Maximum Service Temperature, Air
    • Shrinkage
    • Al2O3
    • Other
    • SiO2
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