Fiberfrax® Large‑Diameter Fibres

Fiberfrax® Refractory Ceramic Fibres are a range of high-temperature fibres designed for use in a variety of industrial and commercial applications. Manufactured from alumina-silica materials, these fibres offer such characteristics as high temperature stability, low thermal conductivity, low heat storage, excellent thermal shock resistance, light weight and superior corrosion resistance. Fiberfrax Refractory ceramic fibres are thermally stable at temperatures up to 1260 °C.

Fiberfrax Refractory ceramic fibres are available in a variety of compositions and diameters that can service a wide variety of applications. In addition, these fibres can be further modified by chopping or by removing the unfiberised particles (known as “shot”). Lubricants can also be added to the fibres to enhance their properties. Unifrax has the ability to control the average fibre diameter of fibres through a unique spinning operation. It is this spinning operation that is used to produce both the Fiberfrax® Spun Fibre and Long Staple Fibres. Average fibre diameters for these fibres range from 3 to 12 microns as shown on the table below.

These larger-diameter fibres provide certain desirable properties, such as:

  • Excellent resistance to mechanical stress and vibration
  • Reduced processing time in vacuum-forming operations
  • Ability to produce lower-density vacuum-formed products

Documents.

Safety Data Sheets

Fiberfrax® Large‑Diameter Fibres

Product Information Sheet

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