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Zircar Zirconia Buster Blanket Alumina Blanket


Subcategory: Oxide, Zirconium; Oxide

Key Words: Al2O3, aluminum oxide

Material Notes:
Buster Blanket and Buster Mat are flexible, Hi-Alpha alumina fiber insulation materials. The mat is 100% fibers while the blanket has been needled into a durable blanket with the addition of an organic fiber reinforcement. Both forms have useful properties up to 1600°C. These polycrystalline fiber blankets offer higher temperature capability, less shrinkage and greater chemical resistance than standard alumina-silica blankets. Buster Blanket is made by needling the Buster Mat with an organic fiber reinforcement. This additional processing results in a much denser, stronger and more durable flexible insulation. It is offered in both 1/2” and 1” standard thicknesses. Flexible Buster products are useful as insulation packing in furnace spaces, around furnace sight tubes & ports and as filler in expansion joints and masonry cracks.


  • Available in Two Different Forms
  • Low Thermal Conductivity
  • Highly Refractory
  • Non-RCF Fibers
  • Low Shrinkage up to 1500°C
  • 97% Pure Alumina
  • Available “Off the Shelf”

Information provided by Zircar Zirconia.

Available Properties
  • Bulk Density
  • Thermal Conductivity at Elevated Temperature
  • Melting Point
  • Maximum Service Temperature, Air
  • Shrinkage
  • Trace Impurities
  • Trace Inorganics
Property Data

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