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Master Bond adhesives
Unifrax Fiberfrax® HSA-K Kaolin High-Index Fiber
Categories: Ceramic; Oxide; Aluminum Oxide; Silicon Oxide

Material Notes: In addition to Fiberfrax Bulk Fibers, Unifrax has the ability to produce many different specialty fibers that provide a variety of desirable performance properties for certain applications. These fibers can be classified into the following general categories:

  • High-Index Fibers
  • High-Temperature Fibers
  • Large-Diameter Fibers
  • Milled Fibers

Fiber index is a measurement which determines the amount of fiberized material in the actual fiber. During fiber manufacturing, shot or unfiberized materail is produced as a natural product of the fiberization process. Unifrax has the ability to reduce the amount of shot in a fiber by controlling the furnacing process or by washing out the unfiberized material. Fiberfrax High-Index have proven to be a good reinforcement material for use in automotive break lining and other friction material. These high-index fibers provide a variety of desirable properties such as:

  • Frictional stability
  • High-temperature frictional performance
  • Fade resistance
  • Flexural reinforcement

Fiberfrax High-Index fibers can also be used as a mechanical thixotrope in coatings applications offering reinforcement and fire resistance as additional benefits. These fibers offer the following unique properties

  • Excellent high-temperature stability
  • Good strength and high modulus
  • Low coefficient of thermal expansion
  • Superior chemical resistance
  • Very low moisture absorption

The thixotropic properties of Fiberfrax High-Index Fibers in conjunction with the mechanical and physical properties they have to offer make them an excellent candidate for use in:

  • Mastics
  • Adhesives
  • Thick Film Coatings
  • Fire Protective Materials
  • Caulks, Putties, and Sealants

Information Provided by Unifrax I LLC

Vendors:
Available Properties
  • Specific Gravity
  • Melting Point
  • Maximum Service Temperature, Air, Recommended Operating Temperature
  • Al2O3
  • Fe2O3
  • NaO2
  • SiO2
  • TiO2
  
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Manufacturer Notes:
Unifrax I LLC

Category Notes
none

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